As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE TROUBLESHOOTING THE FWD CARGO LOAD SHUTTLE BEAM PROBLEM, DISCOVERED A CRACK 13" LONG IN LATERAL FLOORBEAM WEB WHERE PDU ACTUATOR MOTOR SUPPORT CHANNEL ATTACHES. ALSO BOTH LEFT AND RIGHT PDU SUPPORT CHANNEL SIDES ARE BROKEN COMPLETELY REPAIRED FLOORBEAM PER SRM 53-00-00-2R.