COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Cessna 336 Series Aeroplanes
AD/CESSNA 336/2 Cooling Fan - Inspection 6/65
Applicability: All models not modified in accordance with Cessna SL 65-42.
Requirement: 1. Remove rear engine cowls, remove propeller and cooling fan, and dismantle fan assembly.
Note: It is important in order to retain the balance of the assembly to mark all parts in their existing position so that when re-assembly is made, no change in balance will occur.
2. Inspect support plates P/No. 1457212-1 and 1457217-1 for cracks paying particular attention to the area around the inner circle of attachment holes.
3. Inspect the pan P/No. 1457219-1 for cracks, again paying particular attention to the area around the inner circle of attachment holes.
4. Any replacement of parts will require rebalancing of assembly. Compliance: At intervals not exceeding 100 hours time in service after 1 June 1965.