As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COWLING WAS FOUND BURNED DURING EXHAUST BRACKET REPLACEMENT. BURNED AREA WAS APPROXIMATELY (2) INCHES BY (3) INCHES. COWLING WAS REPAIRED AND RETURNED TO SERVICE. ALL OTHER AIRCRAFT IN FLEET WERE INSPECTED AND FOUND OK PHOTO OF COWLING HAS BEEN SENT TO FSDO.