AD 2014-13-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc | Airworthiness Directives; Rolls-Royce plc Turbofan Engines |
Unsafe Condition
Risk of fan flutter during ground maintenance running, which may result in multiple fan blade failures and release of uncontained high energy debris. Additionally, risk of intermediate-pressure (IP) shaft failure leading to IP turbine overspeed, disk burst, and release of uncontained high energy debris.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove EEC software, Version L5.6.1 or earlier, and install a software version eligible for installation.
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Compliance Time
Within 3 months or 200 flight cycles, whichever occurs first, after the effective date of this AD.
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Affected Aircraft
All Rolls-Royce plc RB211 Trent 553-61, 553A2-61, 556-61, 556A2-61, 556B-61, 556B2-61, 560-61, and 560A2-61 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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