As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER CABIN FLOOR INTERCOSTAL CORRODED STA 304 AND LBL12' / REMOVED CORROSION AND VERIFIED LIMITS TO CABIN FLOOR INTERCOSTAL STA. 294.5 TO 312 LBL 12' FOUND OUT OF LIMITS IAW SRM 53-10-51-1A-1 STEP 4B FIG 105 DETAIL C. REMOVED AND REPLACED PASSENGER CABIN FLOOR INTERCOSTAL AT STA 294.5 TO 312 LBL 12' IAW SRM 51-40-02-0G-0 STEP 4 AND 7 AND BOEING DWG # 141A5690 REV C. ATAG # QU0106 TOOL ID # 32209 CAL DUE: 08 JUN 18