Summary
We are adopting a new airworthiness directive (AD) for all General Electric Company (GE) CF6-80A, -80A1, -80A2, and -80A3 turbofan engines. This AD was prompted by high cycle fatigue (HCF) cracking of the low-pressure turbine (LPT) stage 3 nozzles. This AD requires replacement of the LPT stage 3 nozzles, part numbers (P/Ns) 9290M52P05 and 9290M52P06, installed. We are issuing this AD to address the unsafe condition on these products.
Directive Details
AD Number
FAA-2017-0668
Document Number
2018-06738
Type
Rule
Publication Date
April 6, 2018
Effective Date
May 11, 2018
Affected Manufacturer
General Electric Company Turbofan
Criticality
routine
Emergency
No
Docket ID
Docket No. FAA-2017-0668
Topics
Official Documents
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