Commonwealth legislation

AD/PA-46/13 - Flap Actuator Tube

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

1/10 complexity

This is a mandatory safety order (an Airworthiness Directive) requiring owners of specific Piper PA-46 Malibu aircraft to fix a dangerous defect in the flap actuator tubes—the components that control the wing flaps during takeoff and landing.

Who it affects: Only Piper PA-46-310P aircraft with specific serial numbers (46-8608001 to 46-8608067, and 4608001 to 4608064).

What must be done: Owners must follow the repair instructions in Piper Service Bulletin No. 862 to inspect and correct insufficient weld penetration in the flap actuator tubes. Poor welding could cause the tube to fail in flight.

When: The work must be completed within 100 hours of flight time after 31 July 1987, or at the next scheduled inspection for the aircraft's Maintenance Release—whichever occurs later.

Why it matters: A failed flap actuator could prevent the pilot from properly extending or retracting the flaps, seriously compromising control during critical phases of flight.

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AD/PA-46/13 - Flap Actuator Tube

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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-46/13 Flap Actuator Tube 8/87 Applicability: All model PA-46-310P with S/Nos 46-8608001 to 46-8608067, 4608001 to 4608064. Requirement: Action in accordance with Piper SB No 862.

Compliance: Within 100 hours time in service after 31 July 1987 or at the next scheduled inspection for Maintenance Release issue after 31 July 1987, whichever occurs later.

Background: A reported failure of a flap actuator tube is attributed to insufficient weld penetration after machining.

Source text

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