AD 2014-03-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Rolls-Royce | Deutschland Ltd & Co. KG Turbofan | Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co. KG Turbofan Engines |
Unsafe Condition
Low-pressure compressor (LPC) fan blade leading edges erode in service, creating an unacceptable blade flutter margin, which could lead to LPC fan blade failure, engine damage, and airplane damage.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the complete set of LPC fan blades with a set eligible for installation. For Tay 620-15 engines, replace blades before accumulating 12,000 flight cycles since new (FCSN) or flight cycles since last repair (FCSLR). For Tay 650-15 and Tay 651-54 engines, replace blades before accumulating 10,000 FCSN or FCSLR.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within specified flight cycles (varies by engine model and FCSN/FCSLR)
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce Deutschland Ltd & Co. KG Tay 620-15, 650-15, and 651-54 turbofan 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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