What was found
DURING VISUAL INSP CONCURRENT WITH OIL AND FILTER CHANGE, THE NR 4 CYLINDER WAS FOUND CRACKED, UPPER, OUTBOARD FIN, RADIUSING DOWN TO CYLINDER HEAD BASE LT OF SPARK PLUG AND IN BETWEEN LOWER FIN AND HEAD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING VISUAL INSP CONCURRENT WITH OIL AND FILTER CHANGE, THE NR 4 CYLINDER WAS FOUND CRACKED, UPPER, OUTBOARD FIN, RADIUSING DOWN TO CYLINDER HEAD BASE LT OF SPARK PLUG AND IN BETWEEN LOWER FIN AND HEAD.