Commonwealth legislation

AD/CESSNA 150/26 - Wing Flap Actuator Ball Nut Assemblies

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Commonwealth

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legislative instrument

Plain English Summary

3/10 complexity

This airworthiness directive requires owners/operators of certain Cessna 150/A150s to inspect wing flap actuator P/N C301002-0101 for specified date-stamp codes and, if present, install a “FLAP EXTENSION PROHIBITED” placard until the actuator’s ball nut assemblies are replaced per Cessna Service Letter SE 76-25. Compliance is mandatory within set time limits, costs fall to operators, and the regulator prescribes the outcome while the manufacturer provides the technical procedures.

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AD/CESSNA 150/26 - 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 150, F150, 152 & F152 Series Aeroplanes

AD/CESSNA 150/26 Wing Flap Actuator Ball Nut Assemblies 3/77

Applicability: Models 150 and A150 with S/Nos. as detailed in Cessna SL SE76-25. Requirement: 1. Inspect P/N C301002-0101 wing flap actuator for date stamp code as detailed in

Cessna SL SE 76-25.

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 SE 76-25.

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

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

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.

1 AD/CESSNA 150/26 - Wing Flap Actuator Ball Nut Assemblies