Commonwealth legislation

AD/PA-23/62 - Engine Lower Air Scoops and Fairings - Fluid Drainage Provision

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This Act has been repealed and is no longer in force. It is retained for historical reference.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

2/10 complexity

What this law does: This rule requires owners and operators of specific Piper aircraft (PA-23 Apache and Aztec models equipped with Airesearch turbochargers) to modify their engine air scoops and fairings by adding drainage holes.

Why it matters: Without drainage holes, fluids like oil or fuel can pool in the lower air scoops and fairings, creating a fire risk or potential engine damage. The fix allows these fluids to drain out safely.

Who must comply: Anyone operating a PA-23 series aircraft fitted with Airesearch turbochargers.

What you must do: Drill or install drainage holes in the engine lower air scoops and fairings following the technical instructions in Piper Service Letter No. 705 (the manufacturer's service bulletin).

When: Within 100 hours of flying time after 31 July 1974.

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AD/PA-23/62 - Engine Lower Air Scoops and Fairings - Fluid Drainage Provision

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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-23/62 Engine Lower Air Scoops and Fairings - Fluid

Drainage Provision

Applicability: All PA-23 series fitted with Airesearch turbochargers.

7/74

Requirement: Provide drainage holes in the engine lower air scoops and fairings in accordance with Piper SL No. 705.

Compliance: Within 100 hours time in service after 31 July 1974.

Source text

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