# AD 77-07-02: Horizontal Stabilizer

- Type: Airworthiness directive
- Status: Current
- Products: Dassault Fan Jet Falcon
- Effective: April 7, 1977
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-2857
- Registered aircraft: 24 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8877B5A5CCF8FF1B8625698B005BB07B.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/77-07-02

## The airworthiness directive

77-07-02 AVIONS MARCEL DASSAULT (AMD): Amendment 39-2857. Applies to all Fan Jet Falcon airplanes, all series, certificated in all categories, not incorporating AMD Modification No. 2092.

Compliance is required within the next 300 hours time in service after the effective date of this AD, unless already accomplished.

To prevent possible horizontal stabilizer trim runaway, remove the positive voltage wire from the normally-closed contacts of the pilot's and copilot's horizontal stabilizer trim control switches in accordance with paragraphs 2B through 2F of the section entitled "Accomplishment Instructions" of AMD Service Bulletin No. 568, Revision 1 dated October 25, 1976, or an FAA- approved equivalent.

This amendment becomes effective April 7, 1977.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A7EU](https://openairdocs.org/tcds/A7EU): Dassault Aviation; names 1 of 11 models: Fan Jet Falcon

## 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: 24 (24 by airframe model, 0 by engine model)
- Makers: Dassault/Sud 24

Models with the most aircraft:

- [Dassault/Sud FAN JET FALCON](https://openairdocs.org/model/dassault-sud-fan-jet-falcon): 24 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/77-07-02/models.md
Every aircraft: https://openairdocs.org/ad/77-07-02/aircraft.md

Its text cites no advisory circulars or STCs.

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