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AD/PA-23/91 - Elevator Butt Rib and Plate - Inspection
Piper PA-23 (Apache and Aztec) Series AePiper PA-23 (Apache and Aztec) Series Aeroplanes
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Piper PA-23 (Apache and Aztec) Series Aeroplanes
| AD/PA-23/91 | Elevator Butt Rib and Plate - Inspection | 9/2008 |
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| Applicability: | Model PA-23 with serial numbers 23-1 to 23-1284, and 23-1286. |
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| Requirement: | If elevator assembly P/No. 17058-00 is installed - visually inspect for cracks in elevator butt rib P/No. 17058-3 and elevator butt rib plate P/No. 17058-20. Replace cracked parts before further flight. Parts must be assembled and installed to obtain proper alignment, and to prevent distortion and over-torquing of the attachment bolts. Piper Service Bulletin No. 146B refers.If elevator assembly P/No. 19446 is installed - no further action is required by this AD.Note 1: This inspection was previously included in AD/PA-23/12 Amdt 1.Note 2: FAA AD 63-12-02 refers. |
| Compliance: | Aircraft which have previously been inspected in accordance with AD/PA-23/12 Amdt 1 - at each scheduled inspection for issue of a maintenance release.Aircraft which have not previously been inspected in accordance with AD/PA-23/12 Amdt 1 - within 100 hours time in service following the effectivity date of this AD and thereafter at each scheduled inspection for issue of a maintenance release. |
| This Airworthiness Directive becomes effective on 28 August 2008. | |
| Background: | When AD/PA-23/12 Amdt 1 was reviewed it was decided to remove the inspection specified in FAA AD 63-12-02 (Piper SB No. 146B) and use it to create a new AD. The serial number applicabilities of FAA ADs 63-12-02 and 63-26-03 are different and warrant separate ADs. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
18 July 2008