COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Cessna 337 Series Aeroplanes
AD/CESSNA 337/12 Landing Gear Hydraulic Lines
in Engine Compartment
6/72
Applicability: All models.
Requirement: Replace the landing gear aluminium alloy hydraulic lines on the engine side of the firewall in the engine compartment of the front engine, with approved fire resistant lines or hose assemblies in compliance with ANO 101.22, paragraph 6.25.1 or relocate the lines behind the firewall.
Note: For the purposes of this Directive the nose wheel well is not considered to be part of the engine compartment.
Compliance: Within 200 hours time in service after 30 June 1972.