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AD/PC-12/32 Amdt 2 - Nose Landing Gear Drag Link
Pilatus PC-12 Series AeroplanesPilatus PC-12 Series Aeroplanes
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Pilatus PC-12 Series Aeroplanes
| AD/PC-12/32 Amdt 2 | Nose Landing Gear Drag Link | 7/2009 DM |
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| Applicability: | Model PC-12, PC-12/45 and PC-12/47 aircraft, with manufacturer serial numbers 101 through 544, and 546 through 888.Model PC-12/47E aircraft, with manufacturer serial numbers 545, and 1001 through 1150. |
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| Requirement: | 1. Amend the operator’s approved aircraft maintenance programme to incorporate the structural, component and miscellaneous limitations defined in Pilatus PC-12 Temporary Revision No. 04-02, document 12-A-04-00-00-00A-00T-A, dated28 January 2009, (for PC-12, PC-12/45 and PC-12/47 aircraft), and document12-B-04-00-00-00A-000A-A, Revision 1, dated 27 January 2009, (for PC-12/47E aircraft), or later EASA approved revisions.2. Accomplish the initial and repetitive inspections of the nose landing gear right hand upper drag link part number 532.20.12.140 or 532.20.12.289 in accordance with the compliance schedule as specified in Pilatus PC-12 Temporary Revision No. 04-02, document 12-A-04-00-00-00A-00T-A, dated 28 January 2009, (for PC-12, PC-12/45 and PC-12/47 aircraft), and document 12-B-04-00-00-00A-000A-A, Revision 1, dated 27 January 2009, (for PC-12/47E aircraft); or later EASA approved revisions.The 4,000 landing life-limit for part number 532.20.12.140 nose landing gear right hand drag link introduced by superseded FOCA AD HB 2002-271 remains valid.Replacement of the nose landing gear right hand upper drag link part number 532.20.12.140 or 532.20.12.289 with the newly designed nose landing gear right hand upper drag link with a part number 532.20.12.296 drag link constitutes terminating action for the repetitive inspections required by this Directive.Note: EASA AD 2009-0086 refers. |
| Compliance: | 1. Within 30 days after 25 May 2009, unless already accomplished.2. As specified in Requirement 2. |
| This Amendment becomes effective on 25 May 2009. |
| Background: | Reports were received by FOCA of uncommanded extension of the nose landing gear during cruise flight. Investigation revealed certain nose landing gear drag links had failed due to fatigue cracking. Complete failure of these drag links could result in gear collapse during landing.Amendment 1 was published in response to a new EASA AD, which was prompted when a recent investigation of a new occurrence of cracking revealed that the replacement nose landing gear right hand upper drag link part number 532.20.12.289 had also suffered fatigue cracking, but in a different place.Amendment 2 is issued to correct an administrative error in the issue of the previous amendment which prevented it taking effect on the required date. There is no change to the technical requirements. |
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