AD 2012-27-01
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
Excessive leading edge erosion of the low-pressure compressor (LPC) fan blades on certain Tay 620-15 engines, which could lead to LPC fan blade root failure and separation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the leading edge of the LPC fan blades for excessive erosion. If erosion is found, replace the complete set of LPC fan blades before further flight. Provide actual chordal width measurements for repaired blades to RRD within 30 days after inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before the next flight after the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce Deutschland Ltd & Co KG Tay 620-15 turbofan engines, serial numbers 17085, 17088, 17166, 17072, 17073, 17078, and 17079.
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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