AD 63-18-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce Limited | Tyne 512 | ROLLS-ROYCE Models Tyne 512 and 515 Engines |
| engine | Rolls-Royce Limited | Tyne 515 | ROLLS-ROYCE Models Tyne 512 and 515 Engines |
Unsafe Condition
Failure of the high pressure cooling air manifold due to cracks in the parent metal of the flange or pipe connection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect joints adjacent to the flanged connections of the high pressure cooling air manifold for cracks. Replace the complete assembly before further operation if cracks are found in the parent metal. Discontinue inspections upon incorporating an FAA-approved modification or complying with Rolls-Royce Alert Service Bulletin Ty A.72-438 revised June 24, 1963.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 25 hours' time in service after the effective date of this AD, and thereafter at intervals not exceeding 500 hours' time in service from the last inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce Limited Tyne 512 and Tyne 515 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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.