AD 2018-11-16

final rule
Data completeness: 80%

Airworthiness Directives; Engine Alliance Turbofan Engines

AD Number
2018-11-16
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2018-0501
FR Citation
83 FR 27891

Applicability

TypeManufacturerModelDetails
engine Engine Alliance Turbofan Airworthiness Directives; Engine Alliance Turbofan Engines

Unsafe Condition

An uncontained engine fan hub failure that could result in damage to the engine and airplane.

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

Required Actions

A one-time eddy current inspection (ECI) of the engine fan hub blade slot bottom and blade slot front edge for cracks, a visual inspection of the engine fan hub for damage, and removal of the engine fan hub if damage or defects are found that are outside of serviceable limits.

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

Engine Alliance (EA) GP7270, GP7272, and GP7277 model turbofan engines with serial numbers (S/Ns) identified in Table 3 in Planning Information of Engine Alliance (EA) Alert Service Bulletin (ASB) EAGP7-A72-389, Revision No. 2, dated April 17, 2018.

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

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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