What was found
DURING SCHEDULED C-1 CHECK WHILE PERFORMING OTHER MAINTENANCE, FOUND THE BELLY SKIN BLANKING PANEL AT FS 617-657, LBL 45-RBL 45 CORRODED AND SCRATCHED BEYOND LIMITS, WL 126-133. REPAIR BY REPLACEMENT ACCOMPLISHED, IAW LOCKHEED SMP583 SRM, CH 51-60 & 51-70. NR 7172.