AD 2007-09-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Learjet | 45 | Airworthiness Directives; Learjet Model 45 Airplanes |
Unsafe Condition
Fuel leaking from the auxiliary power unit (APU) fuel shutoff valve into a flammable fluid fire protection area that is interconnected with the main landing gear's wheel well bay.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Deactivate the APU, cap/plug the fuel lines to the APU, and remove the APU fuel shutoff valve, in accordance with Bombardier Alert Service Bulletin A45-49-11.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours after the effective date of this AD.
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Affected Aircraft
Learjet Model 45 airplanes, serial numbers 45-005 through 45-321, equipped with an auxiliary power unit (APU).
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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