AD 85-10-05 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce plc | RB211-22B-02 | ROLLS-ROYCE LIMITED Models RB211-22B and RB211-524B, -524C, and -524D Series Engines |
| engine | Rolls-Royce plc | RB211-22B/MOD 72-8700 | ROLLS-ROYCE LIMITED Models RB211-22B and RB211-524B, -524C, and -524D Series Engines |
| engine | Rolls-Royce plc | RB211-524B-02 | ROLLS-ROYCE LIMITED Models RB211-22B and RB211-524B, -524C, and -524D Series Engines |
| engine | Rolls-Royce plc | RB211-524B-B-02 | ROLLS-ROYCE LIMITED Models RB211-22B and RB211-524B, -524C, and -524D Series Engines |
| engine | Rolls-Royce plc | RB211-524B2-19 | ROLLS-ROYCE LIMITED Models RB211-22B and RB211-524B, -524C, and -524D Series Engines |
| engine | Rolls-Royce plc | RB211-524B2-B-19 | ROLLS-ROYCE LIMITED Models RB211-22B and RB211-524B, -524C, and -524D Series Engines |
| engine | Rolls-Royce plc | RB211-524B3-02 | ROLLS-ROYCE LIMITED Models RB211-22B and RB211-524B, -524C, and -524D Series Engines |
| engine | Rolls-Royce plc | RB211-524B4-02 | ROLLS-ROYCE LIMITED Models RB211-22B and RB211-524B, -524C, and -524D Series Engines |
| engine | Rolls-Royce plc | RB211-524B4-D-02 | ROLLS-ROYCE LIMITED Models RB211-22B and RB211-524B, -524C, and -524D Series Engines |
| engine | Rolls-Royce plc | RB211-524C2-19 | ROLLS-ROYCE LIMITED Models RB211-22B and RB211-524B, -524C, and -524D Series Engines |
Unsafe Condition
Internal oil fire, failure of the low compressor rotor shaft, and subsequent low turbine rotor overspeed leading to an uncontained rotor failure.
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Required Actions
Incorporate low pressure rotor location bearing area modifications as specified in Rolls-Royce Mandatory SB RB211-72-6847, Revision 2, dated March 30, 1984, or FAA approved equivalent. Alternate means of compliance may be approved upon request.
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Compliance Time
Prior to December 31, 1987
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Affected Aircraft
Rolls-Royce RB211-22B and RB211-524B, -524C, and -524D series turbofan engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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