As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHV - DURING C-CHECK, RT APU FIRWALL REINFORCED REGION O/B 3 O'CLOCK POSITION IS CRACK. MAINTENANCE REPAIRED RT APU FIREWALL REINFORCED REGION O/B 3 O'CLOCK POSITION IAW EMB 145 SRM 53-32-13. THE AIRCRAFT WAS APPROVED TO RETURN FOR SERVICE.