Summary
We are adopting a new airworthiness directive (AD) for the products listed above. This AD was prompted by a report of an uncontained failure of a first stage turbine disk that had a metallurgical defect. This AD requires inspecting certain serial number (S/N) first stage turbine disks, part number (P/N) 3101520-1 and P/N 3107079-1. We are issuing this AD to prevent uncontained failure of the first stage turbine disk and damage to the airplane.
Directive Details
AD Number
FAA-2011-0789
Document Number
2012-2894
Type
Rule
Publication Date
February 9, 2012
Effective Date
March 15, 2012
Affected Manufacturer
Honeywell International Inc. TPE331-10 and TPE331-11 Series Turboprop
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2011-0789
Topics
Official Documents
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