What was found
U/D BS 520 FLOORBEAM UPPER CHORD FWD FLANGE FLOOR PANEL ATT HOLE FOUND SHORT OF E/D AT LBL 73", 77", 80", 84", & 91". REPAIRED PER SB747-53A2452 FIG 9.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
U/D BS 520 FLOORBEAM UPPER CHORD FWD FLANGE FLOOR PANEL ATT HOLE FOUND SHORT OF E/D AT LBL 73", 77", 80", 84", & 91". REPAIRED PER SB747-53A2452 FIG 9.