AD 73-12-03 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 542-10 | ROLLS ROYCE LTD Models DART 542-10, 542-10J, and 542-10K Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 542-10J | ROLLS ROYCE LTD Models DART 542-10, 542-10J, and 542-10K Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 542-10K | ROLLS ROYCE LTD Models DART 542-10, 542-10J, and 542-10K Engines |
Unsafe Condition
Engine mounting foot cracks, and engine mounting foot stud fractures, looseness, and loose nuts.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect engine top mounting feet without Modification 1681 and side mounting feet without Modification 1768 for cracks and studs for fracture, looseness, and loose nuts every 400 hours time in service. Repair any cracked feet or loose/fractured studs before further flight as per Service Bulletin Da72-384 Rev 2 or FAA-approved equivalent.
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Compliance Time
Within the next 400 hours time in service after the effective date of this AD, or within 400 hours time in service since the last inspection, whichever occurs sooner, and thereafter at intervals not to exceed 400 hours time in service since the last inspection.
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Affected Aircraft
Rolls-Royce Ltd models DART 542-10, 542-10J, and 542-10K engines without Modifications 1681 and 1768 incorporated.
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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