# AD 78-22-06: Elevator Control

- Type: Airworthiness directive
- Status: Current
- Products: SOCATA - Groupe Aerospatiale GA-7
- Effective: November 2, 1978
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-3331
- Registered aircraft: 44 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/79003CE3BFC2C24F86256A38005E8E2C.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/78-22-06

## The airworthiness directive

78-22-06 GULFSTREAM AMERICAN CORPORATION (GAC): Amendment 39- 3331. Applies to GAC Model GA-7 serial numbers GA7-0002 through GA7-0036, GA7-0038 through GA7-0043, GA7-0045, GA7-0046, and GA7-0049, airplanes certificated in all categories.

Compliance is required as indicated, unless already accomplished.

To prevent failure of the elevator trim control master chain and loss of elevator trim control, accomplish the following within 5 flight hours of the effective date of this AD:

Inspect and modify the elevator trim control system in accordance with GAC Service Bulletin ME-6 dated October 18, 1978, or later revision approved by the Chief, Engineering and Manufacturing Branch, FAA, Southern Region, or in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, FAA, Southern Region. The inspection and/or alteration required by this AD constitute maintenance and may be performed by persons authorized to perform such maintenance under FAR 43.This amendment becomes effective November 2, 1978.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A17SO](https://openairdocs.org/tcds/A17SO): Cougar Aircraft Corporation; names 1 of 1 models: GA-7

## 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: 44 (44 by airframe model, 0 by engine model)
- Makers: Grumman American Avn. 43, Gulfstream American 1

Models with the most aircraft:

- [Grumman American Avn. GA-7](https://openairdocs.org/model/grumman-american-avn-ga-7): 43 aircraft (airframe model)
- [Gulfstream American GA-7](https://openairdocs.org/model/gulfstream-american-ga-7): 1 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/78-22-06/models.md
Every aircraft: https://openairdocs.org/ad/78-22-06/aircraft.md

Its text cites no advisory circulars or STCs.

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