As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FIREWALL PANEL 351BZ, PN 170-50263-401 LOWER FLANGE CORNER IS CRACKED, L 0.100 INCHES X 28868.0. ROUTED CRACK OUT & NDT PERFORMED VERIFYING NO MORE CRACKING EXISTS ON WORK ORDER 738778-322 IAW EMBRAER ETD 2013-170-059175 & COMPASS EA E175-53-395 REV IR WORK ORDER 879704.