As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED LEFT ENGINE WAS HARD TO START. REMOVED LEFT MAGNETO INSPECTION AND NOTED ''POINT'' MARKS USED FOR FACTORY SEALING STILL IN PLACE INDICATING MAGNETO INTERNAL INSPECTION REVEALED OILITE BUSHING IN DISTRIBUTOR BLOCK EXCESSIVELY WORN PRODUCING A METALLIC DUST COVERING INTERNAL COMPONENTS OF MAGNETO. BUSHING WAS .023 INCH LARGER THAN SHAFT OF ROTOR GEAR AND APPEARED TO HAVE NOT BEEN PROPERLY OILED AT FACTORY. (X)