AD 75-16-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce plc | RB211-22B-02 | ROLLS ROYCE (1971) LIMITED Model RB211 Series Engines |
| engine | Rolls-Royce plc | RB211-22B/MOD 72-8700 | ROLLS ROYCE (1971) LIMITED Model RB211 Series Engines |
| engine | Rolls-Royce plc | RB211-524B-02 | ROLLS ROYCE (1971) LIMITED Model RB211 Series Engines |
| engine | Rolls-Royce plc | RB211-524B-B-02 | ROLLS ROYCE (1971) LIMITED Model RB211 Series Engines |
| engine | Rolls-Royce plc | RB211-524B2-19 | ROLLS ROYCE (1971) LIMITED Model RB211 Series Engines |
| engine | Rolls-Royce plc | RB211-524B2-B-19 | ROLLS ROYCE (1971) LIMITED Model RB211 Series Engines |
| engine | Rolls-Royce plc | RB211-524B3-02 | ROLLS ROYCE (1971) LIMITED Model RB211 Series Engines |
| engine | Rolls-Royce plc | RB211-524B4-02 | ROLLS ROYCE (1971) LIMITED Model RB211 Series Engines |
| engine | Rolls-Royce plc | RB211-524B4-D-02 | ROLLS ROYCE (1971) LIMITED Model RB211 Series Engines |
| engine | Rolls-Royce plc | RB211-524C2-19 | ROLLS ROYCE (1971) LIMITED Model RB211 Series Engines |
Unsafe Condition
Damage in the intermediate and high pressure compressors that contributes to the frequency of high power surges.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the inlet guide vane spherical trunnions, bearing pads, actuating rings, and bearing support segments; modify the intermediate pressure compressor inlet guide vanes; and modify the IP compressor stator vanes in the 4th and 5th stage stator assemblies in accordance with specified service bulletins or FAA-approved equivalents.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Compliance required by December 31, 1975, unless already accomplished.
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Affected Aircraft
Rolls-Royce (1971) Limited RB211 series engines, serial numbers 10389 and prior.
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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