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

Administered by Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts

Legislation au F2006B08658 In force Legislative Instrument

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


Coolers

 

AD/COOL/1 Stewart Warner Oil Coolers - Inspection NK

and Replacement

Applicability: Stewart Warner oil coolers:

 

Model 8406J with S/Nos. 101 to 1500 10599A  with S/Nos. 101 to 700

10568B with S/Nos. 101 to 579

 

10578B with S/Nos. 101 to 634

 

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

 

Any affected cooler shall be retired from service and replaced with a serviceable cooler not of the subject serial numbered range.

 

Note: The oil coolers are fitted to, but not necessarily limited to, the following aircraft:

 

  1. 1976 and 1977 Model Cessna 172 and 177.

 

2.    1976 Model Cessna 177RG.

 

3.    Consolidated Aeronautics Lake LA-4-200.

 

4.    Grumman American Model AA-5A and AA-5B.

 

5.    Mooney M20 Series.

 

Compliance: Within 100 hours time in service after 30 November 1976.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.