# AD 74-25-03: Flight Power Shut-Off Valve

- Type: Airworthiness directive
- Status: Current
- Products: Gulfstream Aerospace G-1159
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-2043
- Registered aircraft: 14 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A7EC8BD9ACB0FE6586256E0C00672FB5.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/74-25-03

## The airworthiness directive

74-25-03 GRUMMAN AMERICAN AVIATION CORPORATION: Amendment 39- 2027 as amended by Amendment 39-2043. Applies to Grumman American G-1159 airplanes certificated in all categories.

Compliance required immediately after the effective date of this AD.

To preclude the actuation of the Flight Power Shut-off valve in flight, accomplish the following:

Make and install a placard reading "DO NOT PULL IN FLIGHT" on the Flight Power Shut-off handle. Incorporate Grumman American Aircraft Service Change No. 186. Upon compliance with this service change, remove the placard.

Amendment 39-2027 became effective immediately.

This amendment 39-2043 becomes effective immediately.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A12EA](https://openairdocs.org/tcds/A12EA): Gulfstream Aerospace Corporation; names 1 of 7 models: G-1159

## 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: 14 (14 by airframe model, 0 by engine model)
- Makers: Grumman 8, Grumman American Avn. 4, Gulfstream American 2

Models with the most aircraft:

- [Grumman G-1159](https://openairdocs.org/model/grumman-g-1159): 8 aircraft (airframe model)
- [Grumman American Avn. G-1159](https://openairdocs.org/model/grumman-american-avn-g-1159): 4 aircraft (airframe model)
- [Gulfstream American G-1159](https://openairdocs.org/model/gulfstream-american-g-1159): 2 aircraft (airframe model)

All 3 models: https://openairdocs.org/ad/74-25-03/models.md
Every aircraft: https://openairdocs.org/ad/74-25-03/aircraft.md

Its text cites no advisory circulars or STCs.

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