What was found
LEFT ENGINE START RELAY GENERAL CONTROL PANEL FAILED TO THE ENGAGE POSITION IN-FLIGHT CAUSING LEFT ENGINE STARTER TO ENGAGE. INVESTIGATION REVEALED K-9 RELAY CONTACTS WELDED TOGETHER AND THE K-7 RELAY TO HAVE HIGHLY PITTED CONTACTS. BOTH THE K-7 AND K-9 RELAYS WERE REPLACED PER GCP REPAIR MANUAL RM-117. THE RELAYS ARE IN THE POSSESSION OF DUNCAN AVIATION AND AVAILABLE FOR EXAMINATOIN UPON REQUEST. THE LEFT STARTER SHOWED EVIDENCE OF OVERHREATING AND WAS REPLACED.