# AD 74-23-08: Fire Extinguishers

- Type: Airworthiness directive
- Status: Current
- Products: Gulfstream Aerospace G-159
- Effective: November 15, 1974
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-2007
- Registered aircraft: 5 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C960A42CB3B63017862569B50072A091.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/74-23-08

## The airworthiness directive

74-23-08 GRUMMAN AMERICAN CORPORATION: Amendment 39-2007. Applies to Grumman G-159 airplanes certificated in all categories.

Compliance required within the next 200 hours time in service after the effective date of this airworthiness directive unless already accomplished.

To provide dual electrical power for the fire extinguisher squib circuits accomplish the following or an equivalent rework approved by the Chief, Engineering and Manufacturing Branch, Southern Region.

Remove the existing left and right engine fire extinguisher switches and left hand eyebrow circuit breaker panel nameplate. Install MS24524-21 switches, electrical wiring, 159SB10112-1 nameplate and check out system in accordance with Grumman Gulfstream I Aircraft Service Change 210.

This amendment becomes effective November 15, 1974.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 1A17](https://openairdocs.org/tcds/1A17): Gulfstream Aerospace Corporation; names 1 of 1 models: G-159

## 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: 5 (5 by airframe model, 0 by engine model)
- Makers: Grumman 4, Grumman American Avn. 1

Models with the most aircraft:

- [Grumman G-159](https://openairdocs.org/model/grumman-g-159): 4 aircraft (airframe model)
- [Grumman American Avn. G-159](https://openairdocs.org/model/grumman-american-avn-g-159): 1 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/74-23-08/models.md
Every aircraft: https://openairdocs.org/ad/74-23-08/aircraft.md

Its text cites no advisory circulars or STCs.

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