As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER CABIN FLOOR STRUCTURE STA 290 BL0; INTERCOSTAL IS CRACKED AT FASTENER HOLE. / REPLACED CABIN FLOOR STRUCTURE INTERCOSTAL AT STA 277 TO 294.5 BLO IAW SRM 51-40-02-0G-0 AND BOEING DRAWING 141A5400 SHEET 1 REV-. LOCATED FLOORBOARD HOLES AND BONDED NEW NUTPLATES IAW SRM 51-40-05-0G-0 AND SRM 51-40-10-2R-0. APPLIED CIC IAW AMM 51-21-91-620-802