AD Amdt-39-11269

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747 Series Airplanes

AD Number
Amdt-39-11269
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 99-NM-77-AD
FR Citation
64 FR 47365

Applicability

TypeManufacturerModelDetails
aircraft Boeing 747 Airworthiness Directives; Boeing Model 747 Series Airplanes

Unsafe Condition

In-flight deployment of a thrust reverser could result in significant reduction in airplane controllability.

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

Required Actions

Inspect and test the thrust reverser control and indication system on each engine, and take corrective actions if necessary. Install a terminating modification and perform repetitive operational checks of that installation, repairing as needed.

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

Boeing Model 747 series airplanes, as specified in the AD.

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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