AD 2014-05-16

final rule
Data completeness: 80%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2014-05-16
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2012-1318
FR Citation
79 FR 15660

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition

Failure of the electro-mechanical brake flexshaft (short flexshaft) of the thrust reverser actuation system (TRAS).

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

Required Actions

Replace the short flexshaft on each engine with a new short flexshaft. Test the electro-mechanical brake and center drive unit (CDU) cone brake to verify holding torque. Perform related investigative and corrective actions 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

The Boeing Company Model 747-200B, 747-300, 747-400, 747-400D, 747-400F series airplanes, and Model 767 series airplanes, powered by General Electric (GE) CF6-80C2 engines.

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

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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