Commonwealth legislation

AD/CESSNA 180/21 Amdt 1 - Main Spar and Lower Skin

In ForceCTH

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Commonwealth

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legislative instrument

Plain English Summary

2/10 complexity

Requires owners/operators of Cessna 180/182 and Wren 460 series aeroplanes in the agricultural category to perform visual inspections for cracking at the wing lift‑strut fork skin cutouts and the main spar lower flange (front and rear faces near the lift‑strut attachment). Affected areas must be cleaned before inspection. Inspections are required before 4,000 hours component time and then at intervals not exceeding 100 hours. The cost and effort of inspection, cleaning and any repairs fall on aircraft operators and maintainers.

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AD/CESSNA 180/21 Amdt 1 - Main Spar and Lower Skin

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Cessna 180, 182 and Wren 460 Series Aeroplanes

AD/CESSNA 180/21

Amdt 1

Main Spar and Lower Skin 11/67

Applicability: All models in agricultural category.

Requirement: Carry out a visual inspection for cracking of the wings in the following areas:

The corners of the skin cutouts through which the lift strut fork passes.

2. All visible elements of the main spar lower flange front and rear faces in the region of the lift strut attachment.

Particular attention should be paid to the areas around the spar to skin rivets. The affected areas must be thoroughly cleaned before inspection.

Compliance: Before 4000 hours component time in service and thereafter at intervals not exceeding 100 hours time in service.

Source text

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