As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
'NO FLIGHT' - FOUND DURING HEAVY C-MAINTENANCE CHECK AT TIMCO HEAVY MAINTENANCE FACILITY (WINSTON/SALEM, NC). FOUND FLOORBEAM AT STA 400, BL 44 HAS DOUBLE DRILLED HOLES. REPAIRED IAW ATA EDR 99-008 AND BOEING SRM. AIRCRAFT WAS RETURNED TO SERVICE. (X)