Commonwealth legislation

AD/PA-46/20 - Exhaust Transition Bolts

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

CASA requires owners/operators of a specific subset of Piper PA-46-350P aircraft (defined by Textron Lycoming engine serial numbers, with one exclusion) to carry out the technical actions set out in FAA AD 91-10-04 and Lycoming SB No. 491A. The work must be done within 10 hours TIS from 31 May 1991 to address reported exhaust transition flange bolt loss and prevent related engine power loss.

Affected operators pay for inspections/repairs; CASA enforces compliance while the FAA and manufacturer provide the technical procedure.

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Current sections

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AD/PA-46/20 - Exhaust Transition Bolts

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Piper PA-46 (Malibu) Series Aeroplanes

AD/PA-46/20 Exhaust Transition Bolts 8/91 TX

Applicability: All model PA-46-350P fitted with Textron Lycoming TI0-540-AE2A engine with engine S/No up to but not including L9161-61A and excluding S/No L9157-61A.

Requirement: Action in accordance with the Technical Requirements of FAA AD 91-10-04 Amdt 39-6981.

Note: Textron Lycoming SB No 491A refers.

Compliance: Within 10 hours time in service from 31 May 1991.

Background: An aircraft accident has occurred caused by engine power loss, which resulted from exhaust transition flange bolt loss and flange separation.

Source text

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