AD 2009-24-22

final rule
Data completeness: 70%

Airworthiness Directives; Learjet Inc. Model 45 Airplanes

AD Number
2009-24-22
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2009-0719
FR Citation
74 FR 63572

Applicability

TypeManufacturerModelDetails
aircraft Learjet Inc Airworthiness Directives; Learjet Inc. Model 45 Airplanes

Unsafe Condition

Reports of incorrect external baggage door seal material and door seal sealant, as well as incorrect sealant on interior baggage panels used during manufacture of the airplane. The use of door seals and sealant that do not meet flammability requirements could result in an uncontrollable and undetected fire within the baggage compartment.

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

Required Actions

Inspect the baggage bay door fire barrier seal for inconel mesh in the fire barrier seal material. For certain airplanes, inspect the fiberglass doublers for presence of red Room Temperature Vulcanizing (RTV) sealant. Replace the sealant if found, and perform all applicable related investigative and corrective actions as necessary.

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

Compliance Time

Within 300 flight hours after the effective date of this AD.

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

Affected Aircraft

Learjet Inc. Model 45 airplanes, certificated in any category, serial numbers 45-005 through 45-321 inclusive, 45-323 through 45-332 inclusive, and 45-2001 through 45-2075 inclusive.

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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