# AD 67-14-08: Magnesium Pitch Change Reduction Gear Housing

- Type: Airworthiness directive
- Status: Current
- Products: Ratier-Forest, Division de Figeac FH 76-1
- Effective: May 11, 1967
- Superseded by: Nothing supersedes this AD
- Product type: Propeller
- Amendment: 39-393
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EF56B315A7FCC87B86256966004DF6C4.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/67-14-08

## The airworthiness directive

67-14-08 RATIER-FIGEAC: Amdt. 39-393, Part 39, Federal Register April 11, 1967. Applies to Model FH 76-1 Propellers Installed on Pilatus Model PC-6 Series Airplanes.

Compliance required within the next 200 hours' time in service after the effective date of this AD, unless already accomplished, or previously modified by Ratier Fageac (Amendment No. 1018).

To prevent failure of the magnesium pitch change reduction gear housing, P/N 76-300- 01, rework the housing in accordance with Ratier Figeac Service Bulletin 61-44, dated December 1966, or later SGAC-approved revision.

This directive effective May 11, 1967.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS P1IN](https://openairdocs.org/tcds/P1IN): Ratier-Forest Division de Figeac; names 1 of 2 models: FH 76-1

## Registered aircraft it may apply to (OpenAirDocs)

No registered aircraft matched the models it names.

Its text cites no advisory circulars or STCs.

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