As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ACCOMPLISHMENT OF EA 5310-01071 FOUND A ONE INCH CRACK ON THE RT SIDE OF THE APU FIREWALL REINFORCEMENT AREA JUST OTBD OF UPPER HORIZONTAL PROFILE OTBD OF LAST RIVET. PERFORMED REPAIR IAW SRM 53-32-13 AND ETD2012-145-6767 AND ETD2013-145-003508.