As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEFECT WO 73973 NR00035: HIDDEN DAMAGE: DURING REMOVAL OF BEAM PASSENGER FLOOR SUPPORT (NRC 0110) CORROSION WAS FOUND IN FLOOR SUPPORT AT STA 990 RH. - - RESOLUTION: FLOOR SUPPORT WAS EVALUATE OUT OF LIMITS,NEW SUPPORT WAS DRILLED AND ADJUSTED PER B737-800 SRM 51-10-02-0G-0 ,B737-800 SRM 51-40-05-0G-0 .AND WILL BE INSTALLED WITH NRC 00110 AND B737-800 SRM 51-40-02-0G-0