AD 2010-20-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Rolls-Royce plc RB211 Trent 700 and Trent 800 Series Turbofan Engines |
| engine | Rolls-Royce | plc RB211 Trent 700 and Trent 800 Series | Airworthiness Directives; Rolls-Royce plc RB211 Trent 700 and Trent 800 Series Turbofan Engines |
Unsafe Condition
Incorrect repair/acceptance limits for titanium compressor shafts may have inadvertently removed the shot peened surface layer at life critical features, increasing vulnerability to tensile stresses and potentially reducing shaft life below published limits.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a one-time, piece-part, full inspection, including all applicable focus inspection subtasks, of the intermediate-pressure (IP) and high-pressure (HP) compressor shafts listed in Table 1. Guidance is available in the current RR engine manual and RR Alert NMSB RB.211-72-AG086.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before exceeding the compliance period specified in Table 1 of the AD.
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Affected Aircraft
Rolls-Royce plc RB211 Trent 768-60, 772-60, 772B-60, 875-17, 877-17, 884-17, 884B-17, 892-17, 892B-17, and 895-17 turbofan engines with compressor shafts listed by part number and serial number in Table 1 of the AD, installed on Airbus A330 series and Boeing 777 series 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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