# AD 69-06-04: Elevator Control  System Friction

- Type: Airworthiness directive
- Status: Current
- Products: Piper PA-31 and PA-31-300
- Effective: March 27, 1969
- Published: March 20, 1969
- Issued: March 12, 1969
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-736
- Registered aircraft: 29 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/88466C17CFEE905A862569970058223E.0001
- DRS record last changed: November 21, 2025
- Page: https://openairdocs.org/ad/69-06-04

## The airworthiness directive

69-06-04 PIPER: Amdt. 39-736. Applies to Type PA-31 and PA-31-300 airplanes, Serial Numbers 31-2 to 31-326, 31-328 to 31-332, and 31-334, certificated in all categories.

Compliance required within the next 100 hours' time in service, after the effective date of this AD, unless already accomplished.

  (a) Inspect and adjust, if necessary, the total friction in the elevator control system, comply with Piper Service Bulletin No. 289, February 17, 1969, or later changes thereto or equivalent method, approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.

  (b) Upon request with substantiating data submitted through an FAA maintenance inspector, the compliance time specified in this AD may be increased by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.

This amendment is effective March 27, 1969.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A20SO](https://openairdocs.org/tcds/A20SO): Piper Aircraft Inc.; names 2 of 4 models: PA-31, PA-31-300

## 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: 29 (29 by airframe model, 0 by engine model)
- Makers: Piper 29

Models with the most aircraft:

- [Piper PA-31](https://openairdocs.org/model/piper-pa-31): 26 aircraft (airframe model)
- [Piper PA-31-300](https://openairdocs.org/model/piper-pa-31-300): 3 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/69-06-04/models.md
Every aircraft: https://openairdocs.org/ad/69-06-04/aircraft.md

Its text cites no advisory circulars or STCs.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.