AD Amdt-39-15026
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 disc assembly failure, resulting in damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Removing affected disc assemblies from service; re-machining, inspecting, and applying anticorrosion protection; re-marking, and returning disc assemblies into service; allowing affected disc assemblies that entered into service before 1990 and have a record of detailed inspection to remain in service for 17 years from last overhaul inspection date but not exceeding the manufacturer's published cyclic limit.
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Compliance Time
Before further flight for affected disc assemblies not meeting the criteria for extended service.
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Affected Aircraft
Rolls-Royce plc RB211-22B series, RB211-524B, -524C2, -524D4, -524G2, -524G3, and -524H series, and RB211-535C and -535E series turbofan engines with high pressure compressor (HPC) stage 3 disc assemblies, part numbers LK46210, LK58278, LK67634, LK76036, UL11706, UL15358, UL22577, UL22578, and UL24738 installed.
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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