1AD/COOL/2 - Stewart Warner Oil Coolers - Inspection and Replacement

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Coolers

AD/COOL/2 Stewart Warner Oil Coolers - Inspection NK

and Replacement

Applicability: Stewart Warner Oil Coolers:

Which do not have a date ink stamped next to the nameplate.

Note: Oil coolers of the above model and S/Nos. that do have a date ink stamped next to the nameplate have been inspected and found satisfactory for continued use.

Requirement: 1. Inspect the engine oil cooler for applicability within the affected model and serial number range.

2. If the oil cooler has accumulated 10 hours or less time in service since new, replace with a serviceable cooler not of the above serial numbered range unless the serial number has a date ink stamped next the oil cooler nameplate.

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

3. If the oil cooler has accumulated more than 10 hours time in service since new, inspect the cooler for oil leakage.

4. If leakage is evident, replace cooler as in paragraph 2.

5. If no leakage is evident, fabricate and install the following placard on the aircraft instrument panel: