Summary
We are adopting a new airworthiness directive (AD) for all Safran Helicopter Engines, S.A. (Safran Helicopter Engines), ASTAZOU XIV B and H model engines with certain 3rd-stage turbine wheels installed. This AD requires initial and repetitive inspections of the 3rd-stage turbine wheels. This AD was prompted by a report that six 3rd-stage turbine wheels were returned to service after a repair that could result in exceedance of the allowable vibration threshold during operation. We are issuing this AD to address the unsafe condition on these products.
Directive Details
AD Number
FAA-2018-0949
Document Number
2019-03641
Type
Rule
Publication Date
March 1, 2019
Effective Date
March 18, 2019
Affected Manufacturer
Safran Helicopter Engines, S.A., Turboshaft
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2018-0949
Topics
Official Documents
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