Commonwealth legislation

AD/PA-30/28 - Fin Forward Spar Attachment - Inspection

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Commonwealth

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legislative instrument

Plain English Summary

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This AD requires owners/operators of Piper PA‑30 and PA‑39 Twin Comanche aircraft (specified serial ranges) to perform close visual inspections (minimum 5× magnification) of the bend‑relief cutout radius on channel P/N 22903‑00 at the fin forward‑spar to fuselage attachment to detect cracks. First inspection within 50 hours TIS after 22 Sep 1976, then every 100 hours; Piper SL No. 777 may be needed for access. Owners bear inspection and modification costs; corresponds to FAA AD 76‑18‑05.

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AD/PA-30/28 - Fin Forward Spar Attachment - Inspection

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Piper PA-30 & 39 (Twin Comanche) Series Aeroplanes

AD/PA-30/28 Fin Forward Spar Attachment - Inspection 9/76

Applicability: All models PA-30 and PA-39 with S/Nos. 30-1 to 30-2000 and 39-1 to 39-155.

Requirement: Visually inspect, with the aid of at least a 5X glass, the fin forward spar to fuselage attachment for cracks in the bend relief cutout radius of channel P/N 22903-00.

Note 1: The part number quoted may not appear in the Parts Catalogue as it is a component of the fin front spar which is listed as a complete assembly under a separate part number.

Note 2: Piper SL No. 777 provides instructions for modifying the Fin Assembly to gain Visual access to the channel relief holes.

Note 3: This inspection is the subject of FAA AD 76-18-05.

Compliance: Within 50 hours time in service after 22 September 1976 and there- after at intervals not exceeding 100 hours time in service.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.

1 AD/PA-30/28 - Fin Forward Spar Attachment - Inspection