What was found
LEFT PROP FAILED TO COME OUT OF FEATHER WHEN TESTE IAW FLIGHT TEST PROCEDURES FOLLOWING MAINTENANCE. EMERGENCY PROCEDURES COMPLIED WITH AND AIRCRAFT LANDED SINGLE ENGINE SAFELY. RETURNED FOR SERVICE 12-03-98 FOLLOWING PROPELLER, PROP GOVERNOR CHANGE AND RIGGING PROCEDURES IAW TI 4128.2. TEAR DOWN REPORT FROM DUNCAN AVIATION ON PROPELLER P/N HCB4MP3B, S/N FWA 2215, WAS INCONCLUSIVE. A TEAR DOWN REPORT ON PROP GOVERNOR P/N 8221-212, S/N 2253651 HAS BEEN REQUESTED. RESULTS WILL BE FORWARD IF REMARKABLE. REFERENCE RU3A98008. (M)