AD 95-21-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Learjet Inc. | 31A | Airworthiness Directives; Learjet Model 31A and 60 Airplanes |
| aircraft | Learjet Inc. | 60 | Airworthiness Directives; Learjet Model 31A and 60 Airplanes |
Unsafe Condition
The engine fire pull switch assemblies may contain microswitches manufactured with internal defects, which could result in electrical failure of the switch in the open or closed position, leading to inoperable fire tee handle or fuel starvation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the serial numbers of the left-hand and right-hand engine fire pull switch assemblies within 50 hours time-in-service after the effective date. Replace the assembly with a serviceable one prior to further flight if the serial numbers are within specified ranges (Model 31A: 2326, 2363-2377, 3000-3019; Model 60: 106-168).
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 hours time-in-service after the effective date of this AD, and prior to further flight if replacement is needed.
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Affected Aircraft
Learjet Model 31A (serial numbers 31-093 through 31-108) and Model 60 (serial numbers 60-034 through 60-061).
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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