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Lufttüchtigkeitsanweisung                       Luftfahrt-Bundesamt
                                                                                      - Sachgebiet T23 -
                                            D-2015-022R1                            38144 Braunschweig
                                     EASA AD 2015-0119 vom 24.06.2015               Fax: +49-531-2355-5298
                                                                                    email: ad@LBA.de

AIRBUS                                                                               02.07.2015

Betroffenes Luftfahrtgerät:
Art des Luftfahrtgerätes:       Flugzeug
Inhaber der Musterzulassung:    AIRBUS
Hersteller:                     Airbus, Airbus Industrie
Muster:                         A330, A340
Baureihen:                      A330-201, A330-202, A330-203, A330-223, A3330-223F, A330-243,
                                A330-243F, A330-301, A330-302, A330-303, A330-321, A330-322, A330-323,
                                A330-341, A330-342, A330-343,
                                A340-211, A340-212, A340-213, A340-311, A340-312, A340-313, A340-541,
                                A340-542, A340-642 und A340-643

Werknummern:                    Alle.
                                Ausgenommen sind A340-200/300 und A340-500/600 Flugzeuge, bei denen ein
                                "Gaseous System" für alle Sauerstoffbehälter installiert ist.
Gerätenummer:                   2849, 2850, EASA.A.004, EASA.A.015

Revisionsstand:
Diese LTA ersetzt D-2015-022 vom 23.01.2015

Airworthiness Directive der ausländischen Behörde:
EASA AD 2015-0119 vom 24.06.2015


Genannte Airworthiness Directives unter dieser Rubrik, die nicht durch die EASA herausgegeben worden
sind, wurden durch die EASA über die Entscheidung Nr. 02/2003 übernommen und sind somit ebenfalls
Airworthiness Directives der EASA.

Die genannte Airworthiness Directive wird im Luftfahrt-Bundesamt unter der Nummer 2015-022R1 ge-
führt.

Betrifft:
(ATA 35) Oxygen - Chemical Oxygen Generators - Replacement

Anmerkungen:

Gemäß M.A.303 und M.A.301 5.i) des Anhang I der Verordnung (EU) Nr. 1321/2014 (Teil-M) dürfen
Luftfahrzeuge nach dem in der Lufttüchtigkeitsanweisung angegebenen Termin nur in Betrieb
genommen werden, wenn die angeordneten Maßnahmen ordnungsgemäß durchgeführt worden
sind.

Die Europäische Agentur für Flugsicherheit (EASA) hat die oben referenzierte Lufttüchtigkeitsan-
weisung EASA AD 2015-0119 vom 24.06.2015 herausgegeben oder per Entscheidung Nr. 02/2003
übernommen.
Gemäß § 14 Abs. 2 der Betriebsordnung für Luftfahrtgerät (LuftBO) sind diese Lufttüchtigkeitsan-
weisungen direkt in der Bundesrepublik Deutschland gültig und bedürfen keiner Umsetzung
durch das Luftfahrt-Bundesamt.

Mit Hilfe dieser Übersichtsseite veröffentlicht das Luftfahrt-Bundesamt ebenfalls die über § 14
Abs. 2 direkt gültige Lufttüchtigkeitsanweisungen der EASA in den Nachrichten für Luftfahrer und
im Internet unter www2.LBA.de/LTAs/. Dieser Service dient reinen Informationszwecken und liegt
keinem Verwaltungsverfahren zu Grunde. Rechtsmittel sind damit ausgeschlossen.




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1481

EASA AD No.: 2015-0119


          EASA                                           AIRWORTHINESS DIRECTIVE
                                        AD No.: 2015-0119



                                        Date: 24 June 2015

                                        Note: This Airworthiness Directive (AD) is issued by EASA, acting in accordance with Regulation
                                        (EC) No 216/2008 on behalf of the European Community, its Member States and of the
                                        European third countries that participate in the activities of EASA under Article 66 of that
                                        Regulation.

 This AD is issued in accordance with EU 748/2012, Part 21.A.3B. In accordance with EU 1321/2014 Annex I, Part M.A.301, the
 continuing airworthiness of an aircraft shall be ensured by accomplishing any applicable ADs. Consequently, no person may operate an
 aircraft to which an AD applies, except in accordance with the requirements of that AD, unless otherwise specified by the Agency [EU
 1321/2014 Annex I, Part M.A.303] or agreed with the Authority of the State of Registry [EC 216/2008, Article 14(4) exemption].


      Design Approval Holder’s Name:                                        Type/Model designation(s):
      AIRBUS                                                                A330 and A340 aeroplanes

     TCDS Numbers:              EASA.A.004 and EASA.A.015

     Foreign AD:                Not applicable

     Supersedure:               This AD supersedes EASA AD 2014-0277 dated 19 December 2014.



      ATA 35                        Oxygen – Chemical Oxygen Generators – Replacement


     Manufacturer(s):                Airbus (formerly Airbus Industrie)

     Applicability:                 Airbus A330-201, A330-202, A330-203, A330-223, A3330-223F, A330-243,
                                    A330-243F, A330-301, A330-302, A330-303, A330-321, A330-322, A330-323,
                                    A330-341, A330-342 and A330-343 aeroplanes, all manufacturer serial
                                    numbers (MSN), and
                                    Airbus A340-211, A340-212, A340-213, A340-311, A340-312, A340-313,
                                    A340-541, A340-542, A340-642 and A340-643 aeroplanes, all MSN, except
                                    those that have a gaseous system installed for all oxygen containers.

     Reason:                         Reports have been received indicating premature ageing of certain chemical
                                     oxygen generators, Part Number (P/N) 117042-XX (XX representing any
                                     numerical value), manufactured by B/E Aerospace. Some operators reported
                                     that when they tried to activate generators, some older units failed to activate.
                                     Given the number of failed units reported, all generators manufactured in 1999,
                                     2000 and 2001 were considered unreliable.
                                     This condition, if not corrected, could lead to failure of the generator to activate
                                     and consequently not deliver oxygen during an emergency, possibly resulting in
                                     injury to aeroplane occupants.
                                     To address this potential unsafe condition, Airbus issued Alert Operators
                                     Transmission (AOT) A35L007-14, making reference to B/E Aerospace Service
                                     Information Letter (SIL) D1019-01 (currently at Revision 1) and B/E Aerospace
                                     Service Bulletin (SB) 117042-35-001. Consequently, EASA issued AD
                                     2014-0277 to require identification and replacement of the affected oxygen
                                     generators.


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EASA AD No.: 2015-0119


                                     Since EASA AD 2014-0277 was issued, and following new investigation results,
                                     EASA have decided to introduce a life limitation concerning all P/N 117042-XX
                                     chemical oxygen generators, manufactured by B/E Aerospace.
                                     For the reason described above, this AD retains the requirements of EASA AD
                                     2014-0277, which is superseded, expands the scope of the AD to include
                                     chemical oxygen generators manufactured after 2001, and requires their
                                     removal from service before exceeding 10 years since date of manufacture.

     Effective Date:                08 July 2015

     Required Action(s)             Required as indicated, unless accomplished previously:
     and Compliance
     Time(s):                        Partial restatement of the requirements of EASA AD 2014-0277:
                                    (1) Within 30 days after 24 December 2014 [the effective date of EASA AD
                                        2014-0277], identify the date of manufacture (see Appendix 1 of this AD
                                        where this is located) of each oxygen generator, having a P/N as listed in
                                        Table 1 of this AD, in accordance with the instructions of Airbus AOT
                                        A35L007-14.
                                          A review of aeroplane maintenance records is acceptable to make this
                                          identification, provided those records can be relied upon for the purpose of
                                          this requirement.
                                    (2) Within the compliance time specified in Table 1 of this AD, as applicable,
                                        remove and replace each affected oxygen generator from service in
                                        accordance with the instructions of Airbus AOT A35L007-14 (for 15 and 22
                                        min generators), or, in accordance with the instructions of B/E Aerospace
                                        SB 117042-35-001 (for 15 min generators).
                                          B/E Aerospace SIL D1019-01 Revision 1 provides instructions for the
                                          activation and the disposal of a removed oxygen generator. Airbus AOT
                                          A35L007-14 (Appendix 1) includes instructions for reporting the results of
                                          the activation (including no findings) of removed units.

                                            Table 1 – Replacement of pre-2002 Passenger Oxygen Generators

                                                       P/N (type)                                Compliance Time
                                                                                    For units manufactured in 1999,
                                                                                    before exceeding 180 months since
                                                                                    date of manufacture, or within 30 days
                                                                                    after 24 December 2014 [the effective
                                                                                    date of EASA AD 2014-0277],
                                                                                    whichever occurs later
                                          117042-02 (15 min - 2 masks)              For units manufactured in 2000,
                                          117042-03 (15 min - 3 masks)              before exceeding 174 months since
                                          117042-04 (15 min - 4 masks)              date of manufacture, or within 6
                                          117042-22 (22 min - 2 masks)              months after 24 December 2014 [the
                                          117042-23 (22 min - 3 masks)              effective date of EASA AD 2014-
                                          117042-24 (22 min - 4 masks)              0277], whichever occurs later
                                                                                    For units manufactured in 2001,
                                                                                    before exceeding 168 months since
                                                                                    date of manufacture, or within 12
                                                                                    months after 24 December 2014 [the
                                                                                    effective date of EASA AD 2014-
                                                                                    0277], whichever occurs later




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1483

EASA AD No.: 2015-0119


                                     New requirements of this AD:
                                    (3) Within the compliance time as specified in Table 2 of this AD, as
                                        applicable, and, for generators with a manufacturing date 2009 or later,
                                        before exceeding 10 years since date of manufacture of the oxygen
                                        generator, whichever occurs later, as applicable, remove from service each
                                        oxygen generator manufactured by B/E Aerospace and having a P/N
                                        117042-XX, and replace it with a serviceable unit (see Note) in accordance
                                        with the instructions of Airbus AOT A35L007-14 (for 15 and 22 min
                                        generators), or the instructions of B/E Aerospace SB 117042-35-001 (for
                                        15 min generators).
                                    Note: For the purpose of this AD, a serviceable unit is an oxygen generator
                                    having P/N 117042-XX with a manufacturing date not older than 10 years, or
                                    any other approved P/N, provided that the generator has not exceeded the limit
                                    established for that generator by the manufacturer.

                                                  Table 2 - Replacement of 2002-2008 Oxygen Generators

                                                                                         Compliance Time
                                               Year of manufacture
                                                                                (after the effective date of this AD)
                                                         2002                             Within 12 months
                                                         2003                             Within 16 months
                                                         2004                             Within 20 months
                                                         2005                             Within 24 months
                                                         2006                             Within 28 months
                                                         2007                             Within 32 months
                                                         2008                             Within 36 months


                                    (4) From the effective date of this AD, it is allowed to install on any aeroplane
                                        an oxygen generator, provided it is determined, prior to installation, that the
                                        oxygen generator is a serviceable unit (see Note).

     Ref. Publications:             Airbus AOT A35L007-14 original issue dated 18 December 2014, or Revision
                                    01 dated 17 June 2015.
                                    B/E Aerospace SB 117042-35-001 original issue dated 10 December 2014.
                                    The use of later approved revisions of these documents is acceptable for
                                    compliance with the requirements of this AD.
                                    B/E Aerospace SIL D1019-01 Revision 1 dated 03 January 2000, provides
                                    instructions for the activation and the disposal of a removed generator.

      Remarks:                      1. If requested and appropriately substantiated, EASA can approve
                                       Alternative Methods of Compliance for this AD.
                                    2. This AD was posted on 22 May 2015 as PAD 15-065 for consultation until
                                       19 June 2015. The Comment Response Document can be found at
                                       http://ad.easa.europa.eu/.
                                    3. Enquiries regarding this AD should be referred to the Safety Information
                                       Section, Certification Directorate, EASA. E-mail: ADs@easa.europa.eu.
                                    4. For any question concerning the technical content of the requirements in
                                       this AD, please contact: AIRBUS – Airworthiness Office – EIAL;
                                       E-mail: account.airworth-eas@airbus.com.




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1484

EASA AD No.: 2015-0119


                        Appendix 1 – Passenger Oxygen Generator Date of Manufacture




                                           Figure 1 – Location of date (MM-YY)




                                 Figure 2 – MFG.DATE (05-02 = May 2002) example




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1485

Lufttüchtigkeitsanweisung                       Luftfahrt-Bundesamt
                                                                                       - Sachgebiet T23 -
                                               D-2015-139                            38144 Braunschweig
                                     EASA AD 2015-0110 vom 16.06.2015                Fax: +49-531-2355-5298
                                                                                     email: ad@LBA.de

BAE SYSTEMS                                                                           22.06.2015

Betroffenes Luftfahrtgerät:
Art des Luftfahrtgerätes:        Flugzeug
Inhaber der Musterzulassung:     BAE Systems (Operations) Ltd.
Hersteller:                      British Aerospace plc, Hawker Siddeley Aviation Ltd, A.V. Roe and Company
Muster:                          HS 748
Baureihen:                       Alle HS 748 Baureihen
Werknummern:                     Alle
Gerätenummer:                    2833, EASA.A.397

Revisionsstand:
Originalausgabe

Airworthiness Directive der ausländischen Behörde:
EASA AD 2015-0110 vom 16.06.2015


Genannte Airworthiness Directives unter dieser Rubrik, die nicht durch die EASA herausgegeben worden
sind, wurden durch die EASA über die Entscheidung Nr. 02/2003 übernommen und sind somit ebenfalls
Airworthiness Directives der EASA.

Die genannte Airworthiness Directive wird im Luftfahrt-Bundesamt unter der Nummer 2015-139 geführt.

Betrifft:
(ATA 57) Wings - Lower Wing Skin - Inspection / Repair

Anmerkungen:

Gemäß M.A.303 und M.A.301 5.i) des Anhang I der Verordnung (EU) Nr. 1321/2014 (Teil-M) dürfen
Luftfahrzeuge nach dem in der Lufttüchtigkeitsanweisung angegebenen Termin nur in Betrieb
genommen werden, wenn die angeordneten Maßnahmen ordnungsgemäß durchgeführt worden
sind.

Die Europäische Agentur für Flugsicherheit (EASA) hat die oben referenzierte Lufttüchtigkeitsan-
weisung EASA AD 2015-0110 vom 16.06.2015 herausgegeben oder per Entscheidung Nr. 02/2003
übernommen.
Gemäß § 14 Abs. 2 der Betriebsordnung für Luftfahrtgerät (LuftBO) sind diese Lufttüchtigkeitsan-
weisungen direkt in der Bundesrepublik Deutschland gültig und bedürfen keiner Umsetzung
durch das Luftfahrt-Bundesamt.

Mit Hilfe dieser Übersichtsseite veröffentlicht das Luftfahrt-Bundesamt ebenfalls die über § 14
Abs. 2 direkt gültige Lufttüchtigkeitsanweisungen der EASA in den Nachrichten für Luftfahrer und
im Internet unter www2.LBA.de/LTAs/. Dieser Service dient reinen Informationszwecken und liegt
keinem Verwaltungsverfahren zu Grunde. Rechtsmittel sind damit ausgeschlossen.




D-2015-139                                      Seite 1 von 1                                          252/2015
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EASA AD No.: 2015-0110


          EASA                                           AIRWORTHINESS DIRECTIVE
                                        AD No.: 2015-0110



                                        Date: 16 June 2015

                                        Note: This Airworthiness Directive (AD) is issued by EASA, acting in accordance with Regulation
                                        (EC) No 216/2008 on behalf of the European Community, its Member States and of the
                                        European third countries that participate in the activities of EASA under Article 66 of that
                                        Regulation.

 This AD is issued in accordance with EU 748/2012, Part 21.A.3B. In accordance with EU 1321/2014 Annex I, Part M.A.301, the
 continuing airworthiness of an aircraft shall be ensured by accomplishing any applicable ADs. Consequently, no person may operate an
 aircraft to which an AD applies, except in accordance with the requirements of that AD, unless otherwise specified by the Agency [EU
 1321/2014 Annex I, Part M.A.303] or agreed with the Authority of the State of Registry [EC 216/2008, Article 14(4) exemption].


      Design Approval Holder’s Name:                                        Type/Model designation(s):
      BAE SYSTEMS (OPERATIONS) Ltd                                          HS 748 aeroplanes

     TCDS Number:               EASA.A.397

     Foreign AD:                Not applicable

     Supersedure:               None



      ATA 57                        Wings – Lower Wing Skin – Inspection / Repair


     Manufacturer(s):                A.V. Roe and Company, Hawker Siddeley Aviation Ltd, British Aerospace plc

     Applicability:                 HS 748 aeroplanes, all models, all serial numbers.

     Reason:                         During an unscheduled removal of the right-hand (RH) main landing gear
                                     (MLG) pivot bracket, significant corrosion was found on the wing lower skin in
                                     the area behind the MLG inboard pivot bracket. Corrosion was also reportedly
                                     found on the left-hand (LH) wing lower skin, albeit to a lesser extent. The
                                     reported corrosion on the RH wing lower skin was determined to have been
                                     caused by ingress of moisture between the ends of the inboard pivot bracket
                                     and the MLG retraction jack bracket. Currently there is no scheduled inspection
                                     of the wing lower skin in the area behind the MLG inboard pivot bracket.
                                     This condition, if not detected and corrected, could lead to a high level of
                                     corrosion that would compromise the structural integrity of the wing.
                                     To address this unsafe condition, BAE Systems (Operations) Ltd issued
                                     Inspection Service Bulletin (ISB) HS748-57-88 to provide instructions for close
                                     visual inspections.
                                     For the reason described above, this AD requires repetitive close visual
                                     inspections of the wing lower skin under the MLG inboard pivot bracket, both
                                     RH and LH sides, and, depending on findings, the accomplishment of
                                     applicable corrective action(s).

     Effective Date:                30 June 2015




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1487

EASA AD No.: 2015-0110


     Required Action(s)             Required as indicated, unless accomplished previously.
     and Compliance
                                    (1) Within the compliance time as specified in Table 1 of this AD, as
     Time(s):
                                        applicable, and, thereafter, at intervals not to exceed 8 years, accomplish a
                                        close visual inspection of the wing lower skin under the MLG inboard pivot
                                        bracket, both RH and LH sides, in accordance with the instructions of BAE
                                        Systems (Operations) Ltd ISB HS748-57-88.


                                                                   Table 1 – Inspection Threshold

                                                          Condition                                 Compliance Time
                                            MLG inboard pivot bracket never
                                                                                         Within 6 months after the effective
                                            removed in-service, or no records
                                                                                         date of this AD
                                            available
                                                                                         Before exceeding 8 years since
                                            MLG inboard pivot bracket                    (re)installation of the pivot bracket,
                                            previously removed and                       or within 12 months after the
                                            re-installed or replaced in-service          effective date of this AD, whichever
                                                                                         occurs later


                                    (2) If, during any inspection as required by paragraph (1) of this AD, any
                                        corrosion is found, before next flight, contact BAE Systems (Operations)
                                        Ltd for approved repair instructions and accomplish those instructions
                                        accordingly.
                                    (3) Repair of an aeroplane as required by paragraph (2) of this AD does not
                                        constitute terminating action for the repetitive inspections as required by
                                        paragraph (1) of this AD for that aeroplane, unless the approved repair
                                        instructions state otherwise.

     Ref. Publications:             BAE Systems (Operations) Ltd ISB HS748-57-88, original issue, dated 27 June
                                    2014.
                                    The use of later approved revisions of this document is acceptable for
                                    compliance with the requirements of this AD.

      Remarks:                      1. If requested and appropriately substantiated, EASA can approve
                                       Alternative Methods of Compliance for this AD.
                                    2. This AD was posted on 08 May 2015 as PAD 15-059 for consultation until
                                       05 June 2015. No comments were received during the consultation period.
                                    3. Enquiries regarding this AD should be referred to the Safety Information
                                       Section, Certification Directorate, EASA. E-mail: ADs@easa.europa.eu.
                                    4. For any question concerning the technical content of the requirements in
                                       this AD, please contact:
                                       BAE Systems (Operations) Ltd, Customer Information Department,
                                       Prestwick International Airport, Ayrshire, KA9 2RW, Scotland, United
                                       Kingdom; Telephone +44 1292 675207, Facsimile +44 1292 675704;
                                       E-mail: RApublications@baesystems.com.




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1488

Lufttüchtigkeitsanweisung                       Luftfahrt-Bundesamt
                                                                                        - Sachgebiet T23 -
                                                D-2015-140                            38144 Braunschweig
                                      EASA AD 2015-0111 vom 16.06.2015                Fax: +49-531-2355-5298
                                                                                      email: ad@LBA.de

PILATUS                                                                               22.06.2015

Betroffenes Luftfahrtgerät:
Art des Luftfahrtgerätes:         Flugzeug
Inhaber der Musterzulassung:      Pilatus Aircraft Ltd.
Hersteller:                       Pilatus Aircraft Ltd.
Muster:                           PC-12
Baureihen:                        PC-12, PC-12/45 und PC-12/47E
Werknummern:                      Seriennummern 244, 307, 409, 646, 1447 bis 1450, 1461, 1462, 1466 bis 1514,
                                  1516 bis 1520 und 1523.
Gerätenummer:                     2077, EASA.A.089

Revisionsstand:
Originalausgabe

Airworthiness Directive der ausländischen Behörde:
EASA AD 2015-0111 vom 16.06.2015


Genannte Airworthiness Directives unter dieser Rubrik, die nicht durch die EASA herausgegeben worden
sind, wurden durch die EASA über die Entscheidung Nr. 02/2003 übernommen und sind somit ebenfalls
Airworthiness Directives der EASA.

Die genannte Airworthiness Directive wird im Luftfahrt-Bundesamt unter der Nummer 2015-140 geführt.

Betrifft:
(ATA 27) Flight Controls - Aileron Control System / Universal Joints - Replacement

Anmerkungen:

Gemäß M.A.303 und M.A.301 5.i) des Anhang I der Verordnung (EU) Nr. 1321/2014 (Teil-M) dürfen
Luftfahrzeuge nach dem in der Lufttüchtigkeitsanweisung angegebenen Termin nur in Betrieb
genommen werden, wenn die angeordneten Maßnahmen ordnungsgemäß durchgeführt worden
sind.

Die Europäische Agentur für Flugsicherheit (EASA) hat die oben referenzierte Lufttüchtigkeitsan-
weisung EASA AD 2015-0111 vom 16.06.2015 herausgegeben oder per Entscheidung Nr. 02/2003
übernommen.
Gemäß § 14 Abs. 2 der Betriebsordnung für Luftfahrtgerät (LuftBO) sind diese Lufttüchtigkeitsan-
weisungen direkt in der Bundesrepublik Deutschland gültig und bedürfen keiner Umsetzung
durch das Luftfahrt-Bundesamt.

Mit Hilfe dieser Übersichtsseite veröffentlicht das Luftfahrt-Bundesamt ebenfalls die über § 14
Abs. 2 direkt gültige Lufttüchtigkeitsanweisungen der EASA in den Nachrichten für Luftfahrer und
im Internet unter www2.LBA.de/LTAs/. Dieser Service dient reinen Informationszwecken und liegt
keinem Verwaltungsverfahren zu Grunde. Rechtsmittel sind damit ausgeschlossen.




D-2015-140                                       Seite 1 von 1                                          253/2015
1489

EASA AD No.: 2015-0111


          EASA                                           AIRWORTHINESS DIRECTIVE
                                        AD No.: 2015-0111



                                        Date: 16 June 2015

                                        Note: This Airworthiness Directive (AD) is issued by EASA, acting in accordance with Regulation
                                        (EC) No 216/2008 on behalf of the European Community, its Member States and of the
                                        European third countries that participate in the activities of EASA under Article 66 of that
                                        Regulation.

 This AD is issued in accordance with EU 748/2012, Part 21.A.3B. In accordance with EU 1321/2014 Annex I, Part M.A.301, the
 continuing airworthiness of an aircraft shall be ensured by accomplishing any applicable ADs. Consequently, no person may operate an
 aircraft to which an AD applies, except in accordance with the requirements of that AD, unless otherwise specified by the Agency [EU
 1321/2014 Annex I, Part M.A.303] or agreed with the Authority of the State of Registry [EC 216/2008, Article 14(4) exemption].


      Design Approval Holder’s Name:                                        Type/Model designation(s):
      PILATUS AIRCRAFT Ltd.                                                 PC-12 aeroplanes

     TCDS Number:               EASA.A.089

     Foreign AD:                Not applicable

     Supersedure:               None


                                     Flight Controls – Aileron Control System / Universal Joints –
      ATA 27
                                     Replacement

     Manufacturer(s):                Pilatus Aircraft Ltd.

     Applicability:                  PC-12, PC-12/45 and PC-12/47E aeroplanes, manufacturer serial numbers
                                     (MSN) 244, MSN 307, MSN 409, MSN 646, MSN 1447 through MSN 1450,
                                     MSN 1461, MSN 1462, MSN 1466 through MSN 1514, MSN 1516 through
                                     MSN 1520 and MSN 1523.

     Reason:                         A case of malfunctioning was reported of a universal joint installed between
                                     the control tube assembly and the control column on a PC-12/47E aeroplane.
                                     Investigation determined that the malfunction was caused by an incorrectly
                                     manufactured universal joint. Universal joints from the same manufacturing
                                     batch were provided to operators between 01 March 2014 and 28 February
                                     2015, and are thus potentially affected.
                                     This condition, if not corrected, could lead to other cases of malfunctioning of
                                     a universal joint, possibly resulting in reduced control of the aeroplane.
                                     To address this potential unsafe condition, Pilatus Aircraft Ltd. issued Service
                                     Bulletin (SB) No. 27-022 to provide instructions for replacement of the universal
                                     joints in the flight controls.
                                     For the reason described above, this AD requires removal from service of the
                                     potentially incorrectly manufactured universal joints.

     Effective Date:                 30 June 2015




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