AD 74-23-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Learjet Inc. | 23 | Airworthiness Directives; Gates Learjet Model 23 and 24 Airplanes |
| aircraft | Learjet Inc. | 24 | Airworthiness Directives; Gates Learjet Model 23 and 24 Airplanes |
Unsafe Condition
Shorting of the external power receptacle terminals and battery positive terminal to adjacent structure, control cables and equipment
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the external power receptacle terminals for sealing and install insulation as per Gates Learjet Service Bulletin SB-23/24-258 or approved revisions. Equivalent methods require approval from FAA's Engineering and Manufacturing Branch.
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Compliance Time
within the next 10 hours' time in service after the effective date of this AD, unless already accomplished
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Affected Aircraft
Gates Learjet Model 23 (Serial Numbers 23-003, 23-005, 23-006, 23-008 through 23-099) and Model 24 (Serial Numbers 24-100 through 24-134)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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