What was found
MAIN CABIN BS 820, BL 84, WATER LINE 199 FLOORBEAM UPPER CHORD DOUBLE DRILLED HOLE. FABBED REPAIR AND INSTALLED PER B747 SRM 53-10-07 FIG 10.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MAIN CABIN BS 820, BL 84, WATER LINE 199 FLOORBEAM UPPER CHORD DOUBLE DRILLED HOLE. FABBED REPAIR AND INSTALLED PER B747 SRM 53-10-07 FIG 10.