What was found
DURING A TRAINING FLIGHT OUT OF KCRP, A SIMULATED SINGLE ENGINE OUT PROCEDURE WAS CONDUCTED WITH THE LEFT ENGINE. DURING ENGINE RE-START, THE PROPELLER WOULD NOT COME OUT OF FEATHER. THE CREW RETURNED TO KCRP, AND ALTHOUGH NO EMERGENCY WAS DECLARED, FIRE EQUIPMENT WAS ROLLED. MAINTENANCE TROUBLESHOOTING REVEALED THAT THE LEFT PROP GOVERNOR HAD FAILED. AN OVERHAULED UNIT WAS INSTALLED, FUNCTION AND LEAK TESTED, AND THE AIRCRAFT RETURNED TO SERVICE.