routineRule

AD FAA-2017-0658

Airworthiness Directives; GE Aviation Czech s.r.o. Turboprop Engines

Summary

We are adopting a new airworthiness directive (AD) for GE Aviation Czech s.r.o. M601D-11, M601E-11, M601E-11A, M601E-11AS, M601E- 11S, and M601F turboprop engines. This AD requires removal of certain power turbine (PT) disks installed on the affected engines. This AD was prompted by a design review by the manufacturer that determined PT rotors with certain disks have less overspeed margin than originally stated during product certification. We are issuing this AD to address the unsafe condition on these products.

Directive Details

AD Number

FAA-2017-0658

Document Number

2018-02994

Type

Rule

Publication Date

February 14, 2018

Effective Date

March 21, 2018

Affected Manufacturer

GE Aviation Czech s.r.o. Turboprop

Criticality

routine

Emergency

Docket ID

Docket No. FAA-2017-0658

Topics

Air transportationAircraftAviation safetyIncorporation by referenceSafety

Official Documents

View PDF View on Federal Register

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