As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A SCHEDULED INSPECTION THE APU FIREWALL WAS FOUND TO BE CRACKED AT THE TOP RIGHT HAND MOUNT. MAINTENANCE ACCOMPLISHED A DOUBLER REPAIR IAW EC 5330-01250, THE REPAIR WAS SATISFACTORY. THE AIRCRAFT WAS RELEASED FOR SERVICE AT COMPLETION OF INSPECTION.