Commonwealth legislation

AD/PFT/1 - Model FS200-1 Propeller Spinners - Replacement of Bolts

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This AD mandates immediate replacement of the six AN4H‑7A bolts that secure the 248‑1 spinner bulkhead on Flottorp F12A‑3 and F12A‑5 propellers with F200‑1 spinners, using shorter AN4H‑6A bolts (washers may be reused), torqued to 70–90 in‑lb and safety‑wired. An FAA AD is offered as an alternative compliance route.

It affects owners/operators of all such propellers, imposes direct labour and downtime costs, and requires qualified maintenance and tooling to perform the prescriptive, time‑critical task.

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AD/PFT/1 - Model FS200-1 Propeller Spinners - Replacement of Bolts

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Propellers - Variable Pitch - Flottorp

AD/PFT/1 Model FS200-1 Propeller Spinners - Replacement of Bolts

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Applicability: All Flottorp F12A-3 and F12A-5 series propellers fitted with F200-1 spinners.

Requirement: 1. Remove the six AN4H-7A bolts attaching the 248-1 spinner bulkhead to the propeller flange and re-install six shorter AN4H-6A bolts. The old AN960-416L washers may be re-used.

Torque bolts to 70 to 90 inch pounds. Safety wire all bolt heads with MS20995- C32 safety wire.

or FAA AD 64-7-3.

Compliance: Forthwith.

Source text

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