Pilatus PC-12 Series Aeroplanes
Pilatus PC-12 Series Aeroplanes
Pilatus PC-12 Series Aeroplanes
| AD/PC-12/56 | Stick-Pusher Servo-Cables Attachment Clamps | 4/2009 DM |
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| Applicability: | Model PC-12, PC-12/45 and PC-12/47 aircraft, with manufacturer serial number 101 through 544 and 546 through 888; and,Model PC-12/47E aircraft, with manufacturer serial number 545 and 1001 through 1101. |
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| Requirement: | Inspect the stick-pusher servo-cables for correct installation, position and tension, in accordance with the accomplishment instructions of Pilatus PC-12 Service Bulletin No. 27-020 Revision 1, or later EASA approved revision.If any damage is found, before further flight, accomplish all corrective actions in accordance with the accomplishment instructions of Pilatus PC-12 Service Bulletin No. 27-020 Revision 1, or later EASA approved revision.Note: EASA AD 2009-0040 refers. |
| Compliance: | Within 150 flight hours or 30 days after 1 March 2009, whichever occurs first. |
| This Airworthiness Directive becomes effective on 1 March 2009. | |
| Background: | Reports were received of the rear stick-pusher cable clamp shifting forward on the elevator cable. This condition, if not corrected, could reduce the effectiveness of the stick-pusher and/or limit elevator control movement. Ambiguous information in the adjustment procedure for the stick-pusher cable tension, and stick-pusher cable tension decrease with time, were identified as contributing factors. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
23 February 2009