AD 2007-06-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc RB211-524 Series | Airworthiness Directives; Rolls-Royce plc RB211-524 Series Turbofan Engines |
Unsafe Condition
Failure of the intermediate pressure compressor (IPC) stage 5 disk, which could result in uncontained engine failure and possible damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Establish new reduced IPC stage 5 disk cyclic limits. Remove from service affected disks that already exceed the new reduced cyclic limit. Remove from service other affected disks before exceeding their cyclic limits using a drawdown schedule. Allow optional inspections at each shop visit or an on-wing eddy current inspection (ECI) to extend disk life beyond the specified limit.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 days after the effective date of this AD, or conduct optional qualifying nondestructive test (NDT) inspections before December 1, 2008.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce plc RB211-524 series turbofan engines with certain part number (P/N) intermediate pressure compressor (IPC) stage 5 disks installed, as listed in Table 2 of the AD. These engines are installed on, but not limited to, Boeing 747, 767, and Lockheed L-1011 series airplanes.
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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