AD Amdt-39-11415

final rule
Data completeness: 70%

Airworthiness Directives; Learjet Model 31, 31A, 35, 35A, and 60 Airplanes

AD Number
Amdt-39-11415
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 99-NM-15-AD
FR Citation
64 FR 62108

Applicability

TypeManufacturerModelDetails
aircraft Learjet 31 Airworthiness Directives; Learjet Model 31, 31A, 35, 35A, and 60 Airplanes

Unsafe Condition

Failure of a spoiler actuator piston rod due to an incomplete heat treatment process.

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

Required Actions

Visually inspect the spoiler actuators to determine their serial number. Replace the spoiler actuators with new ones if necessary.

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

Compliance Time

Before further flight.

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

Affected Aircraft

Learjet Model 31, 31A, 35, 35A, and 60 airplanes.

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.