AD Amdt-39-15364
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc RB211 Series | Airworthiness Directives; Rolls-Royce plc RB211 Series Turbofan Engines |
Unsafe Condition
Corrosion-induced uncontained failure of the high pressure compressor (HPC) stage 3 disc assemblies, part numbers LK46210, LK58278, LK67634, LK76036, UL11706, UL15358, UL22577, UL22578, and UL24738, could result in damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the affected disc assemblies for corrosion. Replace disc assemblies that do not have a record of detailed inspection before they reach their full published life. For disc assemblies with a record of detailed inspection, track their life based on the inspection record rather than the entry into service date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the time specified by the previous AD, but with an extended compliance period for disc assemblies with a record of detailed inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce plc RB211-22B series, RB211-524B, -524C2, -524D4, -524G2, -524G3, -524H series, and RB211-535C and -535E series turbofan engines with HPC stage 3 disc assemblies, part numbers LK46210, LK58278, LK67634, LK76036, UL11706, UL15358, UL22577, UL22578, and UL24738.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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