Commonwealth legislation

AD/CESSNA 210/57 - Fuel Selector Valve Safety Wire - Installation

In ForceCTH

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Commonwealth

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legislative instrument

Plain English Summary

2/10 complexity

This directive mandates fitting a safety wire to the roll pin that links the fuel‑selector rotor shaft to its yoke on specified Cessna 210 serial numbers to prevent pin migration and loss of fuel‑selector control. CASA requires the modification by the next Maintenance Release after 31 May 1985, following Cessna SIL SE84‑5; affected owners/operators bear the one‑off cost and must schedule the work to retain airworthiness.

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AD/CESSNA 210/57 - Fuel Selector Valve Safety Wire - Installation

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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 210 Series Aeroplanes

AD/CESSNA 210/57 Fuel Selector Valve Safety Wire - Installation

5/85

Applicability: Model 210 with S/Nos. 21058819 to 21064535, T210-0198 to T210-0454 and P21000001 to P21000760.

Requirement: Cessna SIL SE84-5.

Note: FAA AD85-02-07 refers.

Compliance: Prior to issue of the next Maintenance Release after 31 May 1985.

Background: Loss of fuel selector control, followed by engine fuel starvation can occur should the roll pin connecting the fuel selector rotor shaft to the yoke assembly migrate out of its location. To prevent this possibility, safety wire is fitted to the roll pin thereby ensuring positive retention.

Source text

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