AD 67-27-06

final rule
Data completeness: 70%

ROLLS-ROYCE Model Dart Model 542-4 and 542-10 Engines

AD Number
67-27-06
Status
final_rule
Effective Date
Product Category
engine
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
engine Rolls-Royce Deutschland Ltd & Co KG Dart 542-10 ROLLS-ROYCE Model Dart Model 542-4 and 542-10 Engines
engine Rolls-Royce Deutschland Ltd & Co KG Dart 542-4 ROLLS-ROYCE Model Dart Model 542-4 and 542-10 Engines

Unsafe Condition

Failure of fuel and oil hoses due to cracks and crazing.

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Required Actions

Inspect fuel and oil pressure indicator hoses with specific part numbers for cracks and crazing at specified intervals. Replace hoses if cracking or crazing is detected before further flight. Discontinue inspections after incorporating approved Modifications 1467 (fuel hoses) or 1453 (oil pressure indicator hoses).

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Compliance Time

Compliance required as indicated, unless already accomplished.

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Affected Aircraft

Rolls-Royce Dart Model 542-4 and 542-10 engines.

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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