As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CYLINDER NR 3 REMOVED DUE TO EXCESSIVE EXHAUST VALVE LEAKAGE DURING A COMPRESSION TEST. EXHAUST VALVE STEM WAS FOUND WORN .023 INCH AT TIP OF STEM TO ABOUT THE CENTER OF STEM. GUIDE WAS NOT WORN (NITRALOY). NR 2 CYLINDER WAS REMOVED FOR ANOTHER REASON AND THE EXHAUST VALVE CHECKED OK. NR 6 CYLINDER EXHAUST VALVE WAS REMOVED DUE TO EXCESSIVE WEAR AT 625.7 HOURS.