As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEFECT WO 73978 NR00111: INITIAL INSPECTION: CORROSION (2EAS) IN FLOOR SUPPORT BEAM AT STA 986.5 BTW LBL 43 & RBL 43, W2. - - RESOLUTON: CORROSION ON FLOOR SUPPORT BEAM AT STA 986.5 BTW LBL 43 & RBL 43 WAS REMOVED AND EVALUATED, THEREFORE IS OUT LIMITS. FLOOR SUPPORT BEAM WAS REPAIRED PER B737-800 SRM 53-70-51-2R-6.