As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE INSPECTION, DISCOVERED LEFT MAGNETO TIMING TO BE ADVANCED 6 DEGREES BEYOND SPECIFICATION. REMOVED MAGNETO TO RESET INTERNAL TIMING AND DISCOVERED HOLD DOWN SCREW LOOSE. THIS WAS THE FIRST MAGNETO TIMING INSPECTION PERFORMED SINCE THE INITIAL DURING ENGINE INSTALLATION 92 HOURS PRIOR.