Commonwealth legislation

AD/CESSNA 177/21 - Nose Landing Gear Upper Support Locknut

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

What this does: This is a safety order (called an Airworthiness Directive) that requires owners or operators of specific Cessna 177 aeroplanes to inspect or replace a potentially faulty nose landing gear upper support locknut (a critical fastening component).

Who it affects: Only Cessna 177 model aircraft with serial numbers between 17701974 and 17702200.

What must be done: Follow the instructions in Cessna Service Letter SE76-1 (a technical bulletin from the manufacturer) to address the locknut issue.

When: The work must be completed within 100 hours of flight time after 31 May 1976.

Why it matters: Faulty nose landing gear components can cause landing gear collapse during takeoff or landing, posing serious safety risks.

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AD/CESSNA 177/21 - Nose Landing Gear Upper Support Locknut

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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 177 Series Aeroplanes

AD/CESSNA 177/21 Nose Landing Gear Upper Support Locknut 5/76

Applicability: All model 177 with S/Nos. 17701974 to 17702200. Requirement: Action in accordance with Cessna SL SE76-1.

Compliance: Within 100 hours time in service after 31 May 1976.

Source text

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