As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND A MASSIVE EXHAUST LEAK WHILE PERFORMING AN ENGINE 100-HOUR INSPECTION. CONNECTING FLANGE FOR NR 3 TO NR 5 EXHAUST WAS ERODED THROUGH ONE-THIRD OF CIRCUMFERENCE. NORMAL WEAR. SUBMITTER STATED CLOSER INSPECTION OF EXHAUST SYSTEM DURING NORMAL OIL CHANGES.