AD 72-07-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream Aerospace Corporation | G-159 | Airworthiness Directives; GRUMMAN Model G-159 Airplanes |
Unsafe Condition
Jamming of the main landing gear drag brace assembly, P/N 159L10003, due to wear, galling, improper wall thickness, or absence of a required radius on the down lock.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the inner cylinder (P/N 159LM10001), lower bearing (P/N 159LM1011), and down lock (P/N 159LM10007) for wear, galling, wall thickness, and presence of a .030+010 inch radius. Replace lower bearing with P/N 159LM10011-7 if wear or improper thickness is found. Rework components if radius is missing or wear/galling is noted, before further flight. Allow flight to a repair base with gear locked down per FAR 21.197 if actions under (e)(2) or (e)(3) are required.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 15 or 50 hours time in service after the effective date of this AD, depending on prior compliance with Grumman Customer Bulletins 99, 217, or 217A.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
GRUMMAN Model G-159 Airplanes certificated in all categories.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.