What was found
DURING C-CHECK, FOUND INTERNAL DOUBLER CORRODED AT Y=220 TO 265 AND LONGERONS 35L TO 35R, ALSO INNER SKIN CORRODED AND BULGED AT Y=224 BETWEEN LONGERONS 33R TO 34R. REMOVED CORRODED SKIN AND INNER DOUBLER, FABRICATED INTERNAL DOUBLER AND EXTERNAL SKIN IAW DER APPROVED ENGINEERING SKETCHES A98-R04; A98-R08, A98-R10 FROM Y=190 TO 330 AND INSTALLED IAW DC-8 SRM 51-1-21, 51-1-20D, 51-3-0.