# AD 81-26-04: Cable Guard & Retainer Installation

- Type: Airworthiness directive
- Status: Current
- Products: M7 Aerospace SA226-AT, SA226-T and SA226-TC
- Effective: December 31, 1981
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small/large airplane
- Amendment: 39-4284
- Registered aircraft: 54 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3BA7A9CB14FD5E2D8625698400724CEB.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/81-26-04

## The airworthiness directive

81-26-04 SWEARINGEN: Amendment 39-4284. Applies to Swearingen Model SA226-T, S/N T201 through T290; SA226-AT, S/N AT001 through AT066; SA226-TC, S/N TC201 through TC255 airplanes certified in all categories. Compliance required within the next 50 hours' time in service after the effective date of this AD but not later than January 15, 1982. Accomplishment of Fairchild Swearingen Service Bulletin SB27-022 issued January 5, 1979, satisfies the requirements of this AD (Airworthiness Docket No. 81-ASW-65).

To prevent disengagement of the control cables from the control pulleys, install cable guards and retainers in each control column in accordance with Fairchild Swearingen Service Bulletin SB27-022 issued January 5, 1979, or an equivalent means approved by the Chief, Aircraft Certification Division, FAA, Southwest Region.

A special flight permit may be issued in accordance with FAR 21.197 to allow flight of the aircraft to a location where this AD can be accomplished.This amendment becomes effective December 31, 1981.

## Affected data sheets (2) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A5SW](https://openairdocs.org/tcds/A5SW): Ontic Engineering and Manufacturing Inc.; names 2 of 7 models: SA226-AT, SA226-T(B)
- [TCDS A8SW](https://openairdocs.org/tcds/A8SW): Ontic Engineering and Manufacturing Inc.; names 1 of 4 models: SA226-TC

## 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: 54 (54 by airframe model, 0 by engine model)
- Makers: Swearingen 48, Fairchild 6

Models with the most aircraft:

- [Swearingen SA-226T](https://openairdocs.org/model/swearingen-sa-226t): 21 aircraft (airframe model)
- [Swearingen SA226-T(B)](https://openairdocs.org/model/swearingen-sa226-t-b): 16 aircraft (airframe model)
- [Swearingen SA226TC](https://openairdocs.org/model/swearingen-sa226tc): 8 aircraft (airframe model)
- [Fairchild SA226-T(B)](https://openairdocs.org/model/fairchild-sa226-t-b): 3 aircraft (airframe model)
- [Swearingen SA-226AT](https://openairdocs.org/model/swearingen-sa-226at): 3 aircraft (airframe model)
- [Fairchild SA226-TC](https://openairdocs.org/model/fairchild-sa226-tc): 1 aircraft (airframe model)
- [Fairchild SA226-T](https://openairdocs.org/model/fairchild-sa226-t): 1 aircraft (airframe model)
- [Fairchild SA226-AT](https://openairdocs.org/model/fairchild-sa226-at): 1 aircraft (airframe model)

All 8 models: https://openairdocs.org/ad/81-26-04/models.md
Every aircraft: https://openairdocs.org/ad/81-26-04/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.