Summary
We are adopting a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) Spey 511-8 turbojet engines. This AD requires inspection and, if necessary, replacement of affected bolts and, if any bolt is found broken, inspection of the adjacent disc(s) for damage. This AD was prompted by a recent quality review determination that bolts with reduced material properties may have been installed in some engines. We are issuing this AD to prevent uncontained turbine disc fracture and damage to the airplane.
Directive Details
AD Number
FAA-2012-1006
Document Number
2013-06174
Type
Rule
Publication Date
March 20, 2013
Effective Date
April 24, 2013
Affected Manufacturer
Rolls-Royce Deutschland Ltd & Co KG Turbojet
Criticality
routine
Emergency
No
Docket ID
Docket No. FAA-2012-1006
Topics
Official Documents
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