AD 2012-02-04

final rule
Data completeness: 70%

Airworthiness Directives; Rolls-Royce plc Turbofan Engines

AD Number
2012-02-04
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2012-0004
FR Citation
77 FR 6668

Applicability

TypeManufacturerModelDetails
engine Rolls-Royce plc Airworthiness Directives; Rolls-Royce plc Turbofan Engines

Unsafe Condition

Wear found between the securing clips and the low-pressure (LP) fuel tube outer surface, which reduces the fuel tube wall thickness, leading to fracture of the fuel tube and consequent fuel leak.

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

Required Actions

Visually inspect the fuel tube clips holding the LP fuel tube for evidence of damage or wear and replace as necessary. Clean and dry the LP fuel tube, visually inspect for evidence of damage, wear near the clip locations, and for fuel leakage. Reject and replace the tube if evidence of fuel leakage or contact frettage exceeds specified depths.

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

Compliance Time

Within 1,600 flight hours after the effective date of this AD.

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

Affected Aircraft

Rolls-Royce plc RB211-Trent 553-61, RB211-Trent 553A2-61, RB211-Trent 556-61, RB211-Trent 556A2-61, RB211-Trent 556B-61, RB211-Trent 556B2-61, RB211-Trent 560-61, and RB211-Trent 560A2-61 turbofan engines that have not complied with Rolls-Royce plc Service Bulletin No. RB.211-73-G723, and that have specific fuel tube part numbers installed.

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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