AD 2015-16-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc | Airworthiness Directives; Rolls-Royce plc Turbofan Engines |
Unsafe Condition
Failure of high-pressure turbine (HPT) blades, part numbers UL32958 and UL21691, with an accumulated life of 6500 flight hours or more, which could lead to engine failure, loss of thrust control, and damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove all affected HPT blades from service within 2 months or before exceeding 6,500 flight hours since first installation of the blades, whichever occurs later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 2 months or before exceeding 6,500 flight hours since first installation of the blades, whichever occurs later.
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Affected Aircraft
Rolls-Royce plc RB211-524B-02, RB211-524B2-19, RB211-524B3-02, RB211-524B4-02, RB211-524B4-D-02, RB211-524C2-19, RB211-524D4-19, RB211-524D4-39, and RB211-524D4X-19 turbofan engines with HPT blades, part numbers UL32958 and UL21691, 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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