COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Consolidated Aeronautics, Colonial and LA-4 Series Aeroplanes
AD/LA-4/16 Fuel Filter - Inspection 8/76
Applicability: All models LA-4-200 fitted with the AC GF-416 fuel filter.
Requirement: 1. Remove the AC GF-416 fuel filter from the aircraft, cut open the housing and inspect the inside for corrosion. If corrosion is observed inspect the Bendix Fuel Injection Unit as follows:
(a) Remove and inspect fuel inlet strainer.
(b) Inspect housing area enclosing strainer.
(c) Remove and inspect each of the four injector nozzles P/N 2524107, including the shield P/N 2520418 and screen P/N 367687.
2. If corrosion contamination is found in the fuel injector nozzle assemblies, fuel inlet strainer or housing area, replace or recondition the fuel injection unit and the flow divider P/N 2524057-2.
Note: FAA AD 76-12-11 refers.
Compliance: For Para. 1 - For filters installed 60 days or more - before 30 September 1976.
For filters installed less than 60 days - prior to attaining 90 days.
Thereafter - inspect AC GF-416 replacement filters at intervals not exceeding 90 days.
For Para. 2 - Before flight.