Airworthiness Directives; General Electric Company Turbofan Engines
airworthiness · Rule · Final rule; request for comments. · Published 2013-06-26 · Effective 2013-06-26 · 78 FR 38195
Document
Document number
2013-15001
Federal Register citation
78 FR 38195
Type
Rule
Action
Final rule; request for comments.
Category
airworthiness
Manufacturer
General Electric Company Turbofan
Publication date
2013-06-26
Effective date
2013-06-26
FAA docket
Docket No. FAA-2013-0447
Abstract
We are adopting a new airworthiness directive (AD) for all General Electric Company (GE) GE90-110B1 and GE90-115B turbofan engines. This emergency AD was sent previously to all known U.S. owners and operators of these engines. This AD prohibits operation of an airplane with affected transfer gearbox assemblies (TGBs) installed on both engines five days after the effective date of this AD. This AD was prompted by reports of two failures of TGBs which resulted in in-flight shutdowns (IFSDs). We are issuing this AD to prevent additional IFSDs of one or more engines, loss of thrust control, and damage to the airplane.