AD 2013-23-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc | Airworthiness Directives; Rolls-Royce plc Turbofan Engines |
Unsafe Condition
High-pressure (HP) and intermediate-pressure (IP) turbine discs contaminated with steel inclusions due to inadequate cleaning procedures, which could lead to uncontained turbine disc failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove from service certain HP and IP turbine discs before their accumulated cyclic lives reach revised limits.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce plc RB211-535E4-37, -535E4-B-37, -535E4-C-37, RB211 Trent 768-60, 772-60, and 772B-60 turbofan engines with specific turbine disc part numbers and serial numbers listed in Table 1.
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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