AD 2020-23-08
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
Reports of low-pressure compressor (LPC) rotor blade retention lug failure.
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Required Actions
Limiting the service life of the LPC rotor blades based on the number of dry-film lubricant (DFL) re-applications. When a complete record of the total number of DFL re-applications is unavailable, count one DFL re-application for every 1,300 flight cycles of blade use.
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Compliance Time
Before further flight
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Affected Aircraft
Rolls-Royce Deutschland Ltd & Co KG (RRD) Tay 611-8C model turbofan engines, with LPC rotor blades, P/N JR58319, installed.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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