What was found
SJO - DURING C-CHECK, IN THE PASSENGER CABIN, BS 360, RBL 13, THE FLOORBEAM UPPER CHORD WAS FOUND WITH CORROSION. REPAIRED FLOORBEAM UPPER CHORD AT BS 360 BETWEEN RBL 5 AND RBL 21 DUE TO CORROSION PER SRM 53-10-9 FIGURE 1. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SJO - DURING C-CHECK, IN THE PASSENGER CABIN, BS 360, RBL 13, THE FLOORBEAM UPPER CHORD WAS FOUND WITH CORROSION. REPAIRED FLOORBEAM UPPER CHORD AT BS 360 BETWEEN RBL 5 AND RBL 21 DUE TO CORROSION PER SRM 53-10-9 FIGURE 1. (M)