As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OP 15 MAINT CHECK, THE FRAME AT THE LAST LT WINDOW, AFT SIDE OF WINDOW CUT AT STA 918 TO 935 HAD CORROSION ON THE FLOOR WEB TO FUSELAGE SKIN. CUT OUT CORROSION PART OF FLOOR WEB PER SRM 51-70-4 FIG 2. REPAIRED WEB AREA PER SRM 57-70-04 FIG 2.