As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A SCHEDULED 3C INSPECTION THE BOTTOM OF THE APU FIREWALL HAD A GOUGE. MAINT FOUND THE GOUGES TO BE ON FR 81, BLENDED DYE PEEN GOUGE AREA, REMOVED RIVETS, FAB DOUBLER AND INSTALL IAW EC 5330-01352. ALL WORK WAS ACCOMPLISHED AND WILL BE RELEASED UPON COMPLETION OF ALL WORK.