AD 54-26-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream American Corporation | G-44 | Airworthiness Directives; Grumman Models G-44 and G-44A Aircraft |
| aircraft | Gulfstream American Corporation | G-44A | Airworthiness Directives; Grumman Models G-44 and G-44A Aircraft |
Unsafe Condition
Landing gear locking mechanism failures due to hydraulic system leaks or mechanical lock failures in both up and down positions.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install closed center hydraulic system per Grumman Service Bulletin No. 24 to provide hydraulic pressure for holding gear in locked positions.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
June 15, 1955
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Grumman Models G-44 and G-44A Aircraft, all serial numbers.
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
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