1AD/CESSNA 170/30 - Wing Flap Actuator Ball Nut Assemblies

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Cessna 170, 172, F172, FR172 and 175 Series Aeroplanes

AD/CESSNA 170/30 Wing Flap Actuator Ball Nut Assemblies 1/77

Applicability: Model 172 and R172 with S/Nos. as detailed in Cessna Service Letter SE76-25. Requirement: 1. Inspect P/N C301002-0101 wing flap actuator for date stamp code as detailed in

Cessna SL SE76-25.

2. If the date stamp code on the actuator is OH, HH, WH or ZH, install a placard near the flap control which reads:

“FLAP EXTENSION PROHIBITED”.

Note: This placard may be removed when the Paragraph 3 requirement is satisfied.

3. Replace affected wing flap actuator ball nut assemblies in accordance with Cessna SL SE76-25.

Compliance: Paragraphs 1 and 2 - Before further flight after 28 January 1977.

Paragraph 3 - Within 100 hours time in service after 28 January 1977.

Federal Register of Legislative Instruments F2006B04962