AD 82-01-05 R2

final rule
Data completeness: 70%

Airworthiness Directives; Gates Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25D, 25F, 28, 29, 35, 35A, 36 and 36A Series Airplanes

AD Number
82-01-05 R2
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Learjet Inc. 23 Airworthiness Directives; Gates Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25D, 25F, 28, 29, 35, 35A, 36 and 36A Series Airplanes
aircraft Learjet Inc. 24 Airworthiness Directives; Gates Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25D, 25F, 28, 29, 35, 35A, 36 and 36A Series Airplanes
aircraft Learjet Inc. 24A Airworthiness Directives; Gates Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25D, 25F, 28, 29, 35, 35A, 36 and 36A Series Airplanes
aircraft Learjet Inc. 24B Airworthiness Directives; Gates Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25D, 25F, 28, 29, 35, 35A, 36 and 36A Series Airplanes
aircraft Learjet Inc. 24B-A Airworthiness Directives; Gates Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25D, 25F, 28, 29, 35, 35A, 36 and 36A Series Airplanes
aircraft Learjet Inc. 24C Airworthiness Directives; Gates Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25D, 25F, 28, 29, 35, 35A, 36 and 36A Series Airplanes
aircraft Learjet Inc. 24D Airworthiness Directives; Gates Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25D, 25F, 28, 29, 35, 35A, 36 and 36A Series Airplanes
aircraft Learjet Inc. 24D-A Airworthiness Directives; Gates Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25D, 25F, 28, 29, 35, 35A, 36 and 36A Series Airplanes
aircraft Learjet Inc. 24E Airworthiness Directives; Gates Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25D, 25F, 28, 29, 35, 35A, 36 and 36A Series Airplanes
aircraft Learjet Inc. 24F Airworthiness Directives; Gates Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25D, 25F, 28, 29, 35, 35A, 36 and 36A Series Airplanes

Unsafe Condition

Failure of the Stall Warning Accelerometer Unit could result in an inoperative stall warning system, which may not provide adequate warning of an impending stall.

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

Required Actions

Inspect the Stall Warning Accelerometer Unit in accordance with specified service bulletins within 50 hours time-in-service if not inspected in the last 200 hours before the AD effective date. Subsequent inspections must occur at intervals not exceeding 220 hours time-in-service. Exemption applies for models 35 and 36 with Kit 83-2.

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

Compliance Time

Within the next 50 hours time-in-service, and at intervals not to exceed 220 hours time-in-service thereafter

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

Affected Aircraft

Gates Learjet Models 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25D, 25F, 28, 29, 35, 35A, 36, 36A with specified serial ranges as listed in the AD text.

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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