As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE INSP OF NR 1 CYLINDER, FOUND BELOW 50/80. CYLINDER BORESCOPED AND ALL OTHER CYLINDERS ALSO SCOPED. FOUND CORROSION AND PITTING IN ALL 4 CYLS. UPON REMOVAL OF NR 1 CYLINDER, EVIDENCE OF PISTON PIN WEAR WAS FOUND ON BARREL AS WELL AS ON OTHER CYLINDERS TO VARYING DEGREES. ENGINE EQUIPPED WITH WINTERIZATION KIT RECOMMENDED BY LYC TO HELP DISABLE MOISTURE. (X)