As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LCQ - MAJOR REPAIR - DURING C-15 CHECK A 1/2 INCH CRACK WAS FOUND IN LT VERTICAL BEAM WEB ON AFT SIDE OF BS 178 BULKHEAD AT LBL 5.7, WL 190. MAINTENANCE REMOVED CRACKED L/H VERTICAL BEAM WEB ON AFT SIDE OF BS 178 BULKHEAD AT LBL 5.7, WL 190; FABRICATED A NEW REPLACEMENT WEB PER DWG 65-17583; INSTALLED REPAIR PART IAW B737-300 SRM 53-10-08, FIG. 1.