AD 98-19-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce Limited | Olympus 593 Mk. 610-14-28 | Airworthiness Directives; Rolls-Royce Limited, Aero Division-Bristol/S.N.E.C.M.A. Olympus 593 Series Turbojet Engines |
Unsafe Condition
Exhaust diffuser vanes may have cracks and corrosion leading to vane failure, which could adversely affect engine oil and reheat systems, causing inflight engine shutdown or aircraft damage.
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Required Actions
Perform initial and repetitive X-ray and ultrasonic inspections of exhaust diffuser vanes for cracks and corrosion. Remove and replace cracked exhaust diffusers with serviceable parts as specified in the referenced service bulletins.
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Compliance Time
Initial inspection required at the first module exposure after accumulating 5,000 hours time since new (TSN). Repetitive inspections every module exposure or 2,000 hours time in service (TIS).
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Affected Aircraft
Rolls-Royce Limited, Aero Division-Bristol/S.N.E.C.M.A. Olympus 593 Mk. 610-14-28 turbojet engines installed on but not limited to British Aerospace/Aerospatiale Concorde series aircraft.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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