AD 2020-24-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Rolls-Royce plc | Various | Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines |
Unsafe Condition
HP turbine blades on a number of Trent 700 engines have been subject to high levels of corrosion fatigue, leading to blade cracking and eventual release, resulting in aborted take-off and in-flight shut-down events.
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Required Actions
Replace HPT blades on affected engines prior to accumulating a specified number of flight cycles since new, or before further flight, whichever occurs later.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) RB211 Trent 768-60, 772-60, 772B-60 and 772C-60 model turbofan engines.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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