AD 2007-14-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc RB211-524 and -535 Series | Airworthiness Directives; Rolls-Royce plc RB211-524 and -535 Series Turbofan Engines |
Unsafe Condition
Reports of low-cycle fatigue cracks found at overhaul in the interface weld between the high pressure (HP) compressor stage 1 and 2 rotor discs.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform initial fluorescent penetrant inspection (FPI) and borescope inspection of the HP compressor stage 1 and 2 discs for cracks at the next shop visit after the effective date. Thereafter, perform repetitive FPIs and borescope inspections at every engine shop visit.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
At the next shop visit after the effective date of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce plc RB211-524 and -535 series turbofan engines, including models listed in the AD, installed on, but not limited to, Boeing 747, 757, 767 series, Lockheed L-1011 series, and Tupolev Tu204 airplanes.
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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