AD Amdt-39-10290

Recurring final rule
Data completeness: 70%

Airworthiness Directives; CFM International CFM56-2, -3, -3B, - 3C, and -5 Series Turbofan Engines

AD Number
Amdt-39-10290
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 89-ANE-05
FR Citation
63 FR 4158

Applicability

TypeManufacturerModelDetails
engine CFM International CFM56-2 Airworthiness Directives; CFM International CFM56-2, -3, -3B, - 3C, and -5 Series Turbofan Engines

Unsafe Condition

Failure of the No. 3 bearing could result in inflight engine shutdown.

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

Required Actions

Remove requirement for magnetic chip detector inspections for No. 3 bearings with 6,000+ hours time in service. Extend removal from service dates for certain No. 3 bearings. Adjust inspection intervals for certain bearings. Delete specific part numbers and reference maintenance manuals to service bulletins.

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

Affected Aircraft

CFM International CFM56-2, -3, -3B, -3C, and -5 series turbofan engines.

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.