Commonwealth legislation

AD/PA-23/1 - Flap Spar and Stabiliser Spar - Reinforcement

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This Act has been repealed and is no longer in force. It is retained for historical reference.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

What this directive does

This is a mandatory safety order requiring owners to immediately reinforce two critical structural components on specific Piper aircraft:

Who it affects

Owners and operators of Piper PA-23 Apache and Aztec aeroplanes with serial numbers prior to 23-64 (earlier production models).

What you must do

Follow the technical instructions in Piper Service Letter No. 235 to complete the reinforcement work
Comply immediately (the directive uses the term "forthwith," meaning there is no grace period)

Why it matters

The reinforcement addresses potential structural weaknesses in these specific aircraft that could pose safety risks if left uncorrected.

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Direct links to the current provisions in AD/PA-23/1 - Flap Spar and Stabiliser Spar - Reinforcement.

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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-23 (Apache and Aztec) Series Aeroplanes

AD/PA-23/1 Flap Spar and Stabiliser Spar - Reinforcement NK

Applicability: Model PA-23 with S/Nos. prior to 23-64 as detailed in SL. Document: Piper SL No. 235.

Compliance: Forthwith.