AD Amdt-39-10612

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Rolls-Royce Limited, Aero Division- Bristol, S.N.E.C.M.A Olympus 593 Series Turbojet Engines

AD Number
Amdt-39-10612
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 98-ANE-15-AD
FR Citation
63 FR 34578

Applicability

TypeManufacturerModelDetails
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

AI-generated summary from the source AD text. Verify against the official source before acting.

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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