Airworthiness Directives; General Electric Company (GE) CF6-80C2B1 Turbofan Engine
airworthiness · Rule · Final rule; request for comments. · Published 2007-11-28 · Effective 2008-01-02 · 72 FR 67240
Document
Document number
E7-22922
Federal Register citation
72 FR 67240
Type
Rule
Action
Final rule; request for comments.
Category
airworthiness
Manufacturer
General Electric Company (GE) CF6-80C2B1 Turbofan
Publication date
2007-11-28
Effective date
2008-01-02
FAA docket
Docket No. FAA-2007-0193
Abstract
The FAA is adopting a new airworthiness directive (AD) for a GE CF6-80C2B1 turbofan engine, serial number (SN) 690203, with fan disk, part number (P/N) 1703M78P11, SN RPMDA662, installed. This AD requires stripping of thermal spray coating, inspection of dovetail slots, and reapplication of thermal spray coating on certain stage 1 fan disks. This AD results from a report that a repair shop did not meet the process requirements when applying copper-nickel-indium (Cu- Ni-In) thermal coating to certain stage 1 fan disks. We are issuing this AD to prevent possible uncontained release of multiple fan blades, resulting in damage to the airplane.