AD Amdt-39-10557

final rule
Data completeness: 70%

Airworthiness Directives; Allison Engine Company AE 3007A and AE 3007C Series Turbofan Engines

AD Number
Amdt-39-10557
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 97-ANE-60-AD
FR Citation
63 FR 30122

Applicability

TypeManufacturerModelDetails
engine Allison Engine Company AE 3007A and AE 3007C Series Airworthiness Directives; Allison Engine Company AE 3007A and AE 3007C Series Turbofan Engines

Unsafe Condition

No. 4 bearing failure due to excessive bearing wear

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

Required Actions

Inspect the center sump magnetic chip collector plug for paste, following revised Alert Service Bulletin procedures. Remove engines with paste from service. Adjust check intervals per revised ASBs.

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

Compliance Time

Before further flight

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

Affected Aircraft

Allison Engine Company AE 3007A and AE 3007C series turbofan engines as specified by part number applicability changes and revised ASBs.

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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