As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C4 S1 C CHECK INSPECTION REPORTED FLOORBEAM Y1292 SHOWS SIGNS OF CORROSION AT FRAME 16. MAINTENANCE REPLACED ONE SECTION OF THE BEAM IN ACCORDANCE WITH THE REQUIREMENTS OF SRM 51-42-11 AND BLENDED OTHER AREA LOCATED AT 62.875" AFT OF FWD END OF BEAM IN ACCORDANCE WITH SRM 51-74-00. UPON COMPLETION OF THE REPAIR IT WAS INSPECTED AND FOUND ACCEPTABLE.