AD 2000-24-19

final rule
Data completeness: 70%

Airworthiness Directives; Learjet Model 35, 35A, 36, and 36A Series Airplanes

AD Number
2000-24-19
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2000-NM-127-AD
FR Citation
65 FR 71239

Applicability

TypeManufacturerModelDetails
aircraft Learjet 35 Airworthiness Directives; Learjet Model 35, 35A, 36, and 36A Series Airplanes

Unsafe Condition

Lack of procedures in the Airplane Flight Manual (AFM) for donning flightcrew oxygen masks when the cabin altitude warning horn is activated, which could lead to incapacitation of the flightcrew due to lack of oxygen and consequent loss of control of the airplane.

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

Required Actions

Revise the Airplane Flight Manual (AFM) to add procedures for donning the flightcrew oxygen masks when the cabin altitude warning horn is activated.

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

All Learjet Model 35, 35A, 36, and 36A series 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

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