AD Amdt-39-10612
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | Limited | Airworthiness Directives; Rolls-Royce Limited, Aero Division- Bristol, S.N.E.C.M.A Olympus 593 Series Turbojet Engines |
Unsafe Condition
Frayed rear cables in the low pressure (LP) shaft signal system could lead to LP shaft signal system failure, resulting in LP turbine overspeed, burst, uncontained engine failure, and damage to the aircraft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform initial and repetitive visual inspections of the LP shaft signal system for cable wear. Refurbish the LP shaft signal system when the cable is frayed or at every engine shop visit, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Rolls-Royce Limited, Aero Division-Bristol, S.N.E.C.M.A Olympus 593 series turbojet engines
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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