Summary
We are adopting a new airworthiness directive (AD) for certain Turbomeca S.A. Astazou XIV B and H turboshaft engines. This AD requires a one-time inspection of the front surface of the 3rd stage turbine for a groove. This AD was prompted by a report of a crack on the 3rd stage turbine wheel. We are issuing this AD to prevent cracks in the 3rd stage turbine wheel, failure of the engine, in-flight shutdown, and loss of control of the helicopter.
Directive Details
AD Number
FAA-2015-7490
Document Number
2016-10279
Type
Rule
Publication Date
May 4, 2016
Effective Date
June 8, 2016
Affected Manufacturer
Turbomeca S.A. Turboshaft
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2015-7490
Topics
Official Documents
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