As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE WORKING FLOORBEAM STA 365 IN MAIN CABIN PERFORMING PRI FOUND FRAME CUT AT STA 365 BELOW FLOOR AT STR 17 DUE TO PREVIOUS REPAIR. COMPLIED WITH ERO 485381-14 REV ORIGINAL DURING HMV AT ST AEROSPACE SAT ON NON ROUTINE CARD 169190 (DL75E102742).