AD 70-15-13
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, 528, 529, and 532 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 510 | ROLLS-ROYCE, LIMITED Models Dart 506, 510, 511, 514, 525, 526, 528, 529, and 532 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 511 | ROLLS-ROYCE, LIMITED Models Dart 506, 510, 511, 514, 525, 526, 528, 529, and 532 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 511-7E | ROLLS-ROYCE, LIMITED Models Dart 506, 510, 511, 514, 525, 526, 528, 529, and 532 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 514 | ROLLS-ROYCE, LIMITED Models Dart 506, 510, 511, 514, 525, 526, 528, 529, and 532 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 514-7 | ROLLS-ROYCE, LIMITED Models Dart 506, 510, 511, 514, 525, 526, 528, 529, and 532 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 525 | ROLLS-ROYCE, LIMITED Models Dart 506, 510, 511, 514, 525, 526, 528, 529, and 532 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 525F | ROLLS-ROYCE, LIMITED Models Dart 506, 510, 511, 514, 525, 526, 528, 529, and 532 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 526 | ROLLS-ROYCE, LIMITED Models Dart 506, 510, 511, 514, 525, 526, 528, 529, and 532 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 528-7E | ROLLS-ROYCE, LIMITED Models Dart 506, 510, 511, 514, 525, 526, 528, 529, and 532 Series Engines |
Unsafe Condition
Cracking of the fuel washed burners in Rolls-Royce Dart engines with Modification 827 or 1224 burners.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace Dart Modification 827 and 1224 fuel washed burners with burners incorporating Modification 1155, 1226, or 1536, following Rolls Royce Service Bulletin Da 73-A.54, Revision 3, or later ARB/FAA-approved equivalent.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 300 hours' time in service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce Limited Dart 506, 510, 511, 514, 525, 526, 528, 529, and 532 series engines with Dart Modification 827 or 1224 fuel washed burners installed.
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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