What was found
DURING ROUTINE C-CHECK, FOUND CORROSION ON EXTERIOR FUSELAGE SKIN FROM STATION 680 TO STATION 780 BETWEEN LONGERON 32 LEFT AND LONGERON 32 RIGHT. REMOVED FASTENERS, AND ANTENNA TO GAIN ACCESS. REMOVED CORROSION. ORIGINAL SKIN THICKNESS .125 AFTER CORROSION REMOVED SKIN THICKNESS WAS .056, OUT OF LIMITS. MANUFACTURED, ALODINED, PRIMED AND INSTALLED REPAIR DOUBLERS IAW DC8 SRM 51-3-8, 51-1-20D, 51-1-8, 53-2-0, AND 53-2-1.