AD 97-25-09

final rule
Data completeness: 70%

Airworthiness Directives; Allison Engine Company Model 250-C40B Turboshaft Engines

AD Number
97-25-09
Status
final_rule
Effective Date
Product Category
engine
Docket
97-ANE-31-AD
FR Citation
Federal Register: December 08, 1997 (Volume 62, Number 235)

Applicability

TypeManufacturerModelDetails
engine Rolls-Royce Corporation 250-C40B Airworthiness Directives; Allison Engine Company Model 250-C40B Turboshaft Engines

Unsafe Condition

Helical Power Takeoff Gearshaft Assembly

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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