As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK APU RT FIRE WALL PANEL 351BZ, PN 170-50263-401 LOWER FLANGE IS CRACKED 0.215". X=28868.0. CRACK WAS ROUTED OUT AND NDT PERFORMED VERIFYING NO MORE CRACKING EXISTS IAW SRM II 51-10-03 ETD 2013-170-009233 AND EA E175-54-138, REV IR.