airworthiness · Rule · Final rule. · Published 2013-08-13 · Effective 2013-09-17 · 78 FR 49109
Document
Document number
2013-19428
Federal Register citation
78 FR 49109
Type
Rule
Action
Final rule.
Category
airworthiness
Manufacturer
Pratt & Whitney Canada Corp. Turboprop
Publication date
2013-08-13
Effective date
2013-09-17
FAA docket
Docket No. FAA-2013-0197
Abstract
We are adopting a new airworthiness directive (AD) for certain Pratt & Whitney Canada Corp. (P&WC) PW118A, PW118B, PW119B, PW119C, PW123, PW123B, PW123C, PW123D, PW123E, PW123AF, PW124B, PW125B, PW126A, PW127, PW127E, PW127F, PW127G, and PW127M turboprop engines. This AD was prompted by reports of fractures of the first-stage power turbine (PT) blade. This AD requires inspection of the first-stage PT blades and the removal from service of those blades that fail the inspection or their replacement with blades eligible for installation. We are issuing this AD to prevent fracture of the first-stage PT blade, possible engine fire, and damage to the airplane.