As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS DURING A SCHEDULED INSPECTION, FRAME NR 80 WAS FOUND TO BE CHAFED BY THE APU FIRE BOTTLE DISCHARGE LINE. MAINTENANCE REPAIRED FRAME NR 80 IAW EMB-GST-0872/01, REPAIR WAS SATISFACTORY. AIRCRAFT WILL BE RELEASED UPON COMPLETION OF INSPECTION.