Airworthiness Directives; General Electric Company Turboshaft Engines
airworthiness · Rule · Final rule. · Published 2017-09-22 · Effective 2017-10-27 · 82 FR 44299
Document
Document number
2017-19961
Federal Register citation
82 FR 44299
Type
Rule
Action
Final rule.
Category
airworthiness
Manufacturer
General Electric Company Turboshaft
Publication date
2017-09-22
Effective date
2017-10-27
FAA docket
Docket No. FAA-2017-0452
Abstract
We are adopting a new airworthiness directive (AD) for certain General Electric Company (GE) CT7-8A and CT7-9B model turboshaft engines. This AD was prompted by reports from the manufacturer that the high-pressure compressor (HPC) impeller installed on these engines may have suffered from material degradation during the manufacturing process. This AD requires removal of the affected HPC impellers. We are issuing this AD to address the unsafe condition on these products.