What was found
DURING D-CHECK, FOUND RIGHT WING UPPER SURFACE SKIN HAS CORROSION FROM STATION XWO TO XRS 74. CUT OUT DAMAGED AREA. FABRICATED FILLER AND DOUBLER AND INSTALLED IN ACCORDANCE WITH DOUGLAS AIRCRAFT COMPANY, SRM 57-2-1. WORK ACCOMPLISHED UNDER ARROW AIR FORM JW3B, WORK ORDER 970101, ITEM NR 1589, CONTROL NR 1562.