AD 76-18-12

final rule
Data completeness: 70%

Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

AD Number
76-18-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Gulfstream Aerospace Corporation G-1159 Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

Unsafe Condition

Loose terminal connections at the generator terminal boards and associated wiring connections could lead to arcing and failure of the generator system.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Modify engine electrical junction boxes to provide access holes for inspecting generator terminal boards and wiring connections. Inspect terminals for secure lock washers and torque stripes, reinspect every 300 hours time in service until basic modification is done. Replace loose components with self-locking nuts and washers during engine removal.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

within the next 100 hours time in service after the effective date of this AD, unless already accomplished

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 airplanes, serial numbers 1 through 154 and 775

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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