AD 2013-05-19
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Rolls-Royce | Deutschland Ltd & Co KG Turbofan | Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines |
Unsafe Condition
Bolts with reduced material properties may have been installed in some engines, potentially leading to failure of a bolt, turbine disc fracture, and release of high-energy debris.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect bolts installed in the LPT stage 1 static seal and HPT stage 1 air seal support based on engine cycles since the last shop visit. Replace all bolts of the inspected engine flange with new bolts if any are broken, brown, or have a rough oxidized surface before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 100 engine cycles-in-service after the effective date or before accumulating 5,500 engine cycles since the last shop visit, depending on engine cycles since the last shop visit.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce Deutschland Ltd & Co KG Tay 611-8 turbofan engines, serial numbers 16245, 16256, 16417, 16418, 16584, 16585, 16639, 16640, 16701, 16702, 16813, 16814, 16853, 16854, 16879, 16880, 16898, 16905, 16906, 16911, 16923, 16935, and 16936, with a date of the last shop visit before December 8, 2006.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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