As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND OIL LEAKING FROM COWL. REMOVED COWL. FOUND NR 6 CYLINDER EXHAUST PUSH ROD MOVED INTO UPPER CYLINDER. REMOVED ROCKER COVER. FOUND SHROUD TUBE RETAINING SPRING BROKEN. EXAMINED OTHER 5 CYLINDERS. FOUND ONE MORE BROKEN SPRING AND 2 CRACKED SPRINGS. REPLACED ALL SPRINGS WITH NEW. EITHER LYCOMING HAS ANOTHER PROBLEM OR THESE SPRINGS WERE MISSED BY LYCOMING SB 519.