What was found
DURING SCHEDULED C-1 CHECK UNDER JOB CARD HC5711, FOUND LT OUTBD WING UPPER SURFACE TRAILING EDGE SKIN FWD AND AFT PANEL WITH SURFACE CORROSION, BULGING, SUNKEN AND SHEARED RIVETS, CRACKS, INTERGRANULAR CORROSION, 9 PATCH REPAIRS, AND WITH LOWER SURFACE BEADED SKIN DEBONDED AND HAVING 3 CRACKS AT FS597-617, WL560, AND OWS173-241. REPAIR BY REPLACEMENT ACCOMPLISHED IAW SMP583 SRM, CH. 51-60 & 51-70. NR# 2273.