As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED THE ENGINE WAS DIFFICULT TO "TURN OVER". PROBLEM WAS FOUND TO BE THE START POSITION OF THE MAG SWITCH. IGNITION FUNCTIONS OF THE SWITCH WERE NORMAL. THIS SWITCH WAS REPLACED 54.49 HOURS EARLIER FOR THE SAME PROBLEM. INSTALLED A NEW SWITCH. OPERATIONAL CHECK WAS O.K.