AD 75-19-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric Company | CF700-2C | GENERAL ELECTRIC COMPANY Models CJ610-9, CF700-2C, CF700-2D, and CF700-2D-2 Engines |
| engine | General Electric Company | CF700-2D | GENERAL ELECTRIC COMPANY Models CJ610-9, CF700-2C, CF700-2D, and CF700-2D-2 Engines |
| engine | General Electric Company | CF700-2D-2 | GENERAL ELECTRIC COMPANY Models CJ610-9, CF700-2C, CF700-2D, and CF700-2D-2 Engines |
| engine | General Electric Company | CJ610-9 | GENERAL ELECTRIC COMPANY Models CJ610-9, CF700-2C, CF700-2D, and CF700-2D-2 Engines |
Unsafe Condition
Failure of the accessory drive horizontal drive shaft due to spline wear and misalignment, leading to complete loss of engine power.
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Required Actions
Inspect the horizontal drive shaft for alignment and spline wear using General Electric Service Bulletin A72-117 (CJ610) or A72-130 (CF700) or equivalent. Remove and replace worn horizontal drive shafts and mating female splined components with serviceable parts as per the service bulletin.
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Compliance Time
within the next 100 hours time in service after the effective date of this AD, unless previously accomplished
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Affected Aircraft
General Electric Company Models CJ610-9, CF700-2C, CF700-2D, and CF700-2D-2 engines with gearbox and accessory drive horizontal drive shaft P/N 37C301961P102 aligned with alignment tool P/N 2C5525 within the last 800 hours time in service as of the effective date.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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