COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Piper PA-23 (Apache and Aztec) Series Aeroplanes
AD/PA-23/80 Fuel Line and Electrical Harness - Inspection 12/79
Applicability: All Model PA-23-250 with S/Nos. 27-2505 to 27-7954119. Document: Piper SB No. 663.
Compliance: Within 100 hours time in service after 31 December 1979.
Background: There have been incidents overseas of inflight nacelle fires and fuel leakage due to chafing between the main electrical harness and fuel lines aft of the firewall.