AD 85-03-03 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 506 | ROLLS-ROYCE LIMITED Models Dart 506, 510, 511, 514, 525, 526, 527, 528, 529, 530, 531, 532, 535, and 542 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 510 | ROLLS-ROYCE LIMITED Models Dart 506, 510, 511, 514, 525, 526, 527, 528, 529, 530, 531, 532, 535, and 542 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 511 | ROLLS-ROYCE LIMITED Models Dart 506, 510, 511, 514, 525, 526, 527, 528, 529, 530, 531, 532, 535, and 542 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 511-7E | ROLLS-ROYCE LIMITED Models Dart 506, 510, 511, 514, 525, 526, 527, 528, 529, 530, 531, 532, 535, and 542 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 514 | ROLLS-ROYCE LIMITED Models Dart 506, 510, 511, 514, 525, 526, 527, 528, 529, 530, 531, 532, 535, and 542 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 514-7 | ROLLS-ROYCE LIMITED Models Dart 506, 510, 511, 514, 525, 526, 527, 528, 529, 530, 531, 532, 535, and 542 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 525 | ROLLS-ROYCE LIMITED Models Dart 506, 510, 511, 514, 525, 526, 527, 528, 529, 530, 531, 532, 535, and 542 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 525F | ROLLS-ROYCE LIMITED Models Dart 506, 510, 511, 514, 525, 526, 527, 528, 529, 530, 531, 532, 535, and 542 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 526 | ROLLS-ROYCE LIMITED Models Dart 506, 510, 511, 514, 525, 526, 527, 528, 529, 530, 531, 532, 535, and 542 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 527 | ROLLS-ROYCE LIMITED Models Dart 506, 510, 511, 514, 525, 526, 527, 528, 529, 530, 531, 532, 535, and 542 Series Engines |
Unsafe Condition
Possible uncontained failure of the low pressure impeller.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect certain low pressure impellers in accordance with Rolls-Royce Alert Service Bulletins Da72-A488, Revision 1, and Da72-480, Revision 4. Remove from service impellers not meeting inspection criteria. Inspections must be completed within specified flight intervals or shop visits, with deadlines up to April 30, 1986.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Compliance is required as indicated unless already accomplished.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce Limited Dart engine series 506, 510, 511, 514, 525, 526, 527, 528, 529, 530, 531, 532, 535, and 542, including all variants of these series.
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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