AD Amdt-39-10232

final rule
Data completeness: 70%

Airworthiness Directives; General Electric Company CJ610 Series Turbojet and CF700 Series Turbofan Engines

AD Number
Amdt-39-10232
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 97-ANE-21-AD
FR Citation
62 FR 64513

Applicability

TypeManufacturerModelDetails
engine General Electric Company CJ610 Series Turbojet and CF700 Series Airworthiness Directives; General Electric Company CJ610 Series Turbojet and CF700 Series Turbofan Engines

Unsafe Condition

Turbine torque ring or compressor drive shaft failure due to manufacturing defects from contaminated A286 material with iron-rich inclusions, which could result in uncontained engine failure.

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

Required Actions

Remove from service affected turbine torque rings and compressor drive shafts listed by serial numbers in GE service bulletins and replace with serviceable parts within specified compliance times. Compliance is required per GE CF700 SB A72-155 and CJ610 SB A72-147.

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

Compliance Time

Within 50 hours time in service or 60 days after effective date for some parts; within 300 hours TIS or 12 months after effective date for others.

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

Affected Aircraft

GE CJ610 series turbojet and CF700 series turbofan engines with turbine torque rings and compressor drive shafts from specified serial ranges, installed on aircraft like Learjet 20, Westwind, Hansa Jet, Aero Commander Jet Commander, and Dassault Falcon 20 series.

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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