AD 75-16-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce plc | RB211-22B-02 | ROLLS ROYCE (1971) LIMITED Model RB 211 Series Engines |
| engine | Rolls-Royce plc | RB211-22B/MOD 72-8700 | ROLLS ROYCE (1971) LIMITED Model RB 211 Series Engines |
| engine | Rolls-Royce plc | RB211-524B-02 | ROLLS ROYCE (1971) LIMITED Model RB 211 Series Engines |
| engine | Rolls-Royce plc | RB211-524B-B-02 | ROLLS ROYCE (1971) LIMITED Model RB 211 Series Engines |
| engine | Rolls-Royce plc | RB211-524B2-19 | ROLLS ROYCE (1971) LIMITED Model RB 211 Series Engines |
| engine | Rolls-Royce plc | RB211-524B2-B-19 | ROLLS ROYCE (1971) LIMITED Model RB 211 Series Engines |
| engine | Rolls-Royce plc | RB211-524B3-02 | ROLLS ROYCE (1971) LIMITED Model RB 211 Series Engines |
| engine | Rolls-Royce plc | RB211-524B4-02 | ROLLS ROYCE (1971) LIMITED Model RB 211 Series Engines |
| engine | Rolls-Royce plc | RB211-524B4-D-02 | ROLLS ROYCE (1971) LIMITED Model RB 211 Series Engines |
| engine | Rolls-Royce plc | RB211-524C2-19 | ROLLS ROYCE (1971) LIMITED Model RB 211 Series Engines |
Unsafe Condition
Engine loss of oil and possible inflight engine shutdown due to the HS external gearbox oil tank filler cap and housing configuration.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the HS external gearbox oil tank filler cap and housing in accordance with Rolls Royce (1971) Limited Service Bulletin RB211-72-3533 or an FAA-approved equivalent.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
before September 1, 1975, unless already accomplished
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce plc RB211 series engines, serial numbers 10479 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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