What was found
PILOT REPORTED DIFFICULTY IN STARTING (CRANKING) OF ENGINE. PROBLEM WAS DISCOVERED TO BE THE START POSITION OF THE IGNITION SWITCH. THIS IS THE THIRD SWITCH FAILURE FOR THE SAME PROBLEM IN THE LAST 157HRS OF OPERATION. THE FIRST REPLACEMENT SWITCH LASTED 54HRS BEFORE FAILURE AND THE SECOND SWITCH LASTED 102.81HRS. UPON RECEIVING THE NEW SWITCH, IT WAS TESTED AND FOUND TO BE FAULTY ACROSS THE START CONTACTS AS WELL. THE LATEST NEW SWITCH WAS ALSO TESTED AND FOUND TO BE ACCEPTABLE AND WAS INSTALLED. POSSIBLE POOR MANUFACTURER QUALITY CONTROL OR POSSIBLE FAULTY MATERIALS ARE SUSPECTED.