AD 2021-08-01
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
certain low-pressure compressor (LPC) blades may have been subjected to maintenance actions that caused damage, making the affected blades more susceptible to cracking.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
initial and repetitive inspections of the blade root of certain LPC blades and re-lubrication of the LPC blades and LPC disk. Depending on the results of the inspection, this AD requires replacement of the LPC blades. As a mandatory terminating action, at the next engine shop visit, this AD requires restoration of the LPC blades to a serviceable condition and examination and re-lubrication of the LPC disk.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
RRD RB211 Trent 768-60, RB211 Trent 772-60, and RB211 Trent 772B-60 model 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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