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 .5 INCH CRACK WAS FOUND IN BS 178 BULKHEAD VERTICAL BEAM WEB AT RBL 17.1, WL 228. MAINTENANCE STOP DRILLED CRACK IN BS 178 BULKHEAD VERTICAL BEAM WEB AT RBL 17.1, WL 228; PERFORMED A HFEC INSPECTION TO VERIFY CRACKS CONTAINED; FABRICATED A REPAIR DOUBLER; INSTALLED REPAIR PARTS IAW B737-200 SRM 53-1-0-11 FIG 11 PG 1.