# AD 81-24-01: Rudder Control And Harness Cable Assemblies

- Type: Airworthiness directive
- Status: Current
- Products: Piper PA-36-285, PA-36-300 and PA-36-375
- Effective: November 19, 1981
- Published: November 16, 1981
- Issued: November 3, 1981
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-4262
- Registered aircraft: 99 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/644F3EE98D555630862569A6005C8AEA.0001
- DRS record last changed: November 21, 2025
- Page: https://openairdocs.org/ad/81-24-01

## The airworthiness directive

81-24-01 PIPER: Amendment 39-4262. Applies to Piper airplane Models PA-36-285 and PA-36-300, S/N 36-7360001 thru 36-8160001, 36-8160003, 36-8160004 and 36-8160009 and PA-36-375, S/N 36-7802001 thru 36-8102004, certificated in all categories.

To prevent failure of the rudder control system, and seat and harness cable assemblies, accomplish the following inspection or an approved equivalent.

  (a) Within the next 15 hours in service after the effective date of this AD, inspect for cracks, using a dye penetrant method,

  (1) Two Rudder Control Shackles, Piper P/N 486 566 (MS 20115-5), and

  (2) Two MS 20115-5 shackles on seat and harness cable assemblies, Piper P/N 98193-10 and 98193-9, respectively.

  (b) Replace all shackles found cracked prior to further flight with new shackles Piper P/N 486 566 or equivalent which have been previously inspected for cracks in accordance with paragraph (a).

  (c) Equivalent inspections or parts must be approved by the Chief,Engineering and Manufacturing Branch, FAA, Eastern Region.

  (d) Compliance times may be increased by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region upon receipt of substantiating data submitted through an FAA Maintenance Inspector.

This amendment is effective November 19, 1981.

## 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: 99 (99 by airframe model, 0 by engine model)
- Makers: Piper 99

Models with the most aircraft:

- [Piper PA-36-285](https://openairdocs.org/model/piper-pa-36-285): 40 aircraft (airframe model)
- [Piper PA-36-300](https://openairdocs.org/model/piper-pa-36-300): 38 aircraft (airframe model)
- [Piper PA-36-375](https://openairdocs.org/model/piper-pa-36-375): 21 aircraft (airframe model)

All 3 models: https://openairdocs.org/ad/81-24-01/models.md
Every aircraft: https://openairdocs.org/ad/81-24-01/aircraft.md

Its text cites no advisory circulars or STCs.

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