AD 67-15-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 525 | ROLLS-ROYCE Dart 525, 526, 527, 528, 529, 531, and 532-7 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 525F | ROLLS-ROYCE Dart 525, 526, 527, 528, 529, 531, and 532-7 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 526 | ROLLS-ROYCE Dart 525, 526, 527, 528, 529, 531, and 532-7 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 527 | ROLLS-ROYCE Dart 525, 526, 527, 528, 529, 531, and 532-7 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 528-7E | ROLLS-ROYCE Dart 525, 526, 527, 528, 529, 531, and 532-7 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 528D-7E | ROLLS-ROYCE Dart 525, 526, 527, 528, 529, 531, and 532-7 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 529-7E | ROLLS-ROYCE Dart 525, 526, 527, 528, 529, 531, and 532-7 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 529-7H | ROLLS-ROYCE Dart 525, 526, 527, 528, 529, 531, and 532-7 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 529-8E | ROLLS-ROYCE Dart 525, 526, 527, 528, 529, 531, and 532-7 Series Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 529-8H | ROLLS-ROYCE Dart 525, 526, 527, 528, 529, 531, and 532-7 Series Engines |
Unsafe Condition
Metal particles in the oil filter may indicate rear bearing failure, leading to increased oil consumption or reduced oil pressure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the oil filter within 25 hours' time in service after AD effective date, and every 50 hours thereafter. If metal particles are found, remove engine from service and inspect rear bearing per Rolls Royce Service Bulletin Da. 72-232. Adjust intervals may be permitted upon FAA approval.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 25 hours' time in service after the effective date of this AD, unless already accomplished within the last 25 hours, and thereafter at intervals not exceeding 50 hours' time in service from the last inspection; and before further flight when an increase in oil consumption or a drop in oil pressure is reported.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce Deutschland Ltd & Co KG Dart 525, 526, 527, 528, 529, 531, and 532-7 Series Engines with Rolls-Royce Modification 529 (Part 2) Bearing in the Rear Position.
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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