As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING THE AIRCRAFT'S FIRST ANNUAL INSPECTION, THE MUFFLER END FLANGE (ONE OF THEM) WAS FOUND TO HAVE A CRACK ALONG THE WELD EMANATING ABOUT ONE-THIRD OF THE CIRCUMFERENCE OF THE FLANGE. THE MUFFLER WAS REPLACED WITH A NEW UNIT. PART ONLY HAD 207 HOURS ON IT.