AD Amdt-39-10508

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Rolls-Royce, plc RB211 Trent 768 and 772 Series Turbofan Engines

AD Number
Amdt-39-10508
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-ANE-09-AD
FR Citation
63 FR 24911

Applicability

TypeManufacturerModelDetails
aircraft Rolls-Royce, plc RB211 Trent 768 and 772 Series Turbofan Airworthiness Directives; Rolls-Royce, plc RB211 Trent 768 and 772 Series Turbofan Engines

Unsafe Condition

Stresses on the thrust reverser hinge were higher than anticipated during engine certification, which could lead to thrust reverser hinge failure and liberation of the thrust reverser cowl duct from the engine nacelle.

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

Required Actions

Perform initial and repetitive visual inspections of thrust reverser hinge lugs and attachment ribs for cracks. Remove from service and replace with serviceable parts if cracks are found.

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

Rolls-Royce, plc RB211 Trent 768 and 772 series turbofan engines.

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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