# AD 75-09-10: Push-Pull Tube End Fittings

- Type: Airworthiness directive
- Status: Current
- Products: Piper PA-31, PA-31-300, PA-31-350 and PA-31P
- Effective: April 28, 1975
- Published: April 23, 1975
- Issued: April 14, 1975
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-2183
- Registered aircraft: 468 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8D35E407EA2F9D378625699900514564.0001
- DRS record last changed: November 21, 2025
- Page: https://openairdocs.org/ad/75-09-10

## The airworthiness directive

75-09-10 PIPER: Amendment 39-2183. Applies to Models PA-31P, Serial Nos. 31P-1 through 31P-7400213, PA-31 and PA-31-300, Serial Nos. 31-1 through 31-7401248, and PA-31- 350, Serial Nos. 31-5001 through 31-7405242 and 31-7405400 through 31-7405462 aircraft certificated in all categories.

To prevent possible hazards in flight associated with loose elevator push-pull tube end fittings, accomplish the following:

1. Within the next 100 hours in service from the effective date of this AD unless already accomplished, inspect the elevator push-pull tube P/N 40847-04 for looseness in its attachment to the end fittings in accordance with the instructions contained in Piper Service Bulletin No. 409 dated June 7, 1974, for Model PA-31P or Piper Service Bulletin No. 433 dated December 17, 1974, for Models PA-31, PA-31-300, and PA-31-350 or an equivalent inspection.

2. If looseness is detected, replace with an acceptable elevator torque tube assembly P/N 40847-04 on Model PA-31Por P/N 40847-00 on Models PA-31, PA-31-300 and PA31-350.

3. Equivalent inspections must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.

This amendment is effective April 28, 1975.

## Affected data sheets (2) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A20SO](https://openairdocs.org/tcds/A20SO): Piper Aircraft Inc.; names 3 of 4 models: PA-31, PA-31-300, PA-31-350
- [TCDS A8EA](https://openairdocs.org/tcds/A8EA): Piper Aircraft Inc.; names 1 of 6 models: PA-31P

## 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: 468 (468 by airframe model, 0 by engine model)
- Makers: Piper 468

Models with the most aircraft:

- [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350): 399 aircraft (airframe model)
- [Piper PA-31P](https://openairdocs.org/model/piper-pa-31p): 40 aircraft (airframe model)
- [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 4 models: https://openairdocs.org/ad/75-09-10/models.md
Every aircraft: https://openairdocs.org/ad/75-09-10/aircraft.md

Its text cites no advisory circulars or STCs.

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