As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
END FLANGE CRACKED TWO-THIRDS OF THE WAY AROUND, 45 HOURS TOTAL TIME. AD 83-14-04 HAD BEEN DONE REGULARLY EACH 50 HOURS. MUFFLER WHICH THIS REPLACED 45 HOURS AGO HAD THE FLANGE OBLITERATED. TOTAL TIME ON THAT MUFFLER COULD NOT BE DETERMINED, BUT IT WAS NOT TOO OLD.