As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SCREWS IN THE FRONT BAFFLES HAVE BEEN CHAFFING HOLES INTO THE FRONT OF THE MUFFLER HEAT SHROUD P/N 9954100-3, S/N 1ZL53-0001. REMOVED MUFFLER SHROUD P/N 9954100-3 S/N 1ZL53-0001 INSTALLED REPAIRED SHROUD P/N 9954100-3 S/N 12194-0001 SHROUD REPAIRED USING AC 43.13-1B AS A GUIDE.