| AD Number | 74-23-08 | Status | Active |
| Effective Date | November 15, 1974 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-2007 |
| Product Type | ["Aircraft"] | Product Subtype | ["Large Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Gulfstream Aerospace Corporation |
| Model(s) | G-159 |
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.