# AD 69-20-01: Rudder Trim Control Cable

- Type: Airworthiness directive
- Status: Current
- Products: Pilatus PC-6, PC-6-H1, PC-6-H2, PC-6/350, PC-6/350-H1, PC-6/350-H2, PC-6/A, PC-6/A-H1, PC-6/A-H2, PC-6/B-H2, PC-6/B1-H2 and PC-6/C-H2
- Effective: October 27, 1969
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-853
- Registered aircraft: 3 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6EA7F2FFFB9FF8BA86256A45006EAE93.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/69-20-01

## The airworthiness directive

69-20-01 PILATUS AIRCRAFT WORKS, INC: Amdt. 39-853. Applies to Model PC- 6 Series Aircraft Serial Numbers 1 through 723 and 2001 through 2050.

Compliance required as indicated unless already accomplished.

To prevent the rudder trim control cable from coming off the pulleys aft of bulkhead 6 (rear cabin wall), accomplish the following:

  (a) Within the next 100 hours' time in service, inspect the clearance between the cable keeper and the cable pulleys aft of bulkhead 6 in accordance with Pilatus Service Bulletin No. 92, dated March 1969, or later Swiss Federal Air office approved revision or an FAA approved equivalent.

  (b) If the clearance between the keeper and the cable pulleys is found to be greater than .040 inch, replace the old cable keeper, P/N 6201.16, with a redesigned cable keeper, P/N 916.96.06.244 in accordance with Pilatus Service Bulletin No. 92, dated March 1969, or later Swiss Federal Air Office approved revision or an FAA approved equivalent.

This amendment becomes effective October 27, 1969.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 7A15](https://openairdocs.org/tcds/7A15): Pilatus Aircraft Ltd.; names 12 of 15 models: PC-6/350-H1, PC-6/B-H2, PC-6/A-H2, PC-6/C-H2, PC-6, PC-6/A-H1, PC-6-H2, PC-6-H1…

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 3 (3 by airframe model, 0 by engine model)
- Makers: Pilatus 3

Models with the most aircraft:

- [Pilatus PC-6/B1-H2](https://openairdocs.org/model/pilatus-pc-6-b1-h2): 2 aircraft (airframe model)
- [Pilatus PC-6](https://openairdocs.org/model/pilatus-pc-6): 1 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/69-20-01/models.md
Every aircraft: https://openairdocs.org/ad/69-20-01/aircraft.md

Its text cites no advisory circulars or STCs.

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