As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN FOR C-CHECK, MAINTENANCE REPORTED CORROSION (C53-224-01.05-01) ON FLOORBEAM UPPER CHORD AROUND NUTPLATE HOLES STA 660 RBL 10 TO RBL 55. MECHANICALLY REMOVED CORROSION FROM 660 FLOORBEAM UPPER CHORD RBL 10 TO 58. FOUND REWORK FROM RBL 54 TO 58 TO BE OUT OF LIMITS IAW SRM 53-10-1. REPAIRED AREA IAW UPS EO NR 727-53-1726.