AD 2006-08-13
Effective 05/08/2006 · Published 04/21/2006
Airworthiness Directives; Pratt & Whitney Canada (PWC) PW535A Turboshaft Engines
Summary
The FAA is adopting a new airworthiness directive (AD) for Pratt & Whitney Canada (PWC) PW535A turboshaft engines with serial numbers (SNs) lower than DC0241, and with hydromechanical fuel control (HFC) part number (P/N) 819735-4, 819735-5, or 819735-6 installed. This AD requires inspection and verification of the proper adjustment of the ratio unit setscrew adjustment of installed HFC units. This AD results from in…