What was found
DURING 'C' CHECK, MAINTENANCE FOUND INNER DOUBLER CORRODED AT FS 220 TO 400, LONGERONS 35L TO 31R. REPLACED DOUBLERS PER DOUGLAS DRAWING NR 5755271, 9755878.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING 'C' CHECK, MAINTENANCE FOUND INNER DOUBLER CORRODED AT FS 220 TO 400, LONGERONS 35L TO 31R. REPLACED DOUBLERS PER DOUGLAS DRAWING NR 5755271, 9755878.