AD 2000-23-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | Spey 555-15 | Airworthiness Directives; Rolls-Royce Spey 555-15, -15H, -15N, and -15P Turbofan Engines |
Unsafe Condition
Failure of a stage 2 low pressure (LP) turbine blade leading to an out-of-balance condition, causing heavy damage to the stage 1 LP turbine-to-stage 2 LP turbine disk drive arm.
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Required Actions
Rework the low pressure (LP) turbine stage 2 nozzle guide vane (NGV) support ring seal assembly in accordance with paragraphs 2.A. through 2.C. of the Accomplishment Instructions of Rolls-Royce service bulletin (SB) No. Sp 72-1063, dated May 1999.
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Compliance Time
Within three years after the effective date of this AD.
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Affected Aircraft
Rolls-Royce Spey 555-15, -15H, -15N, and -15P turbofan engines installed on but not limited to Fokker F.28 Mark series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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