What was found
DURING ROUTINE C-CHECK AND CPCP INSPECTION, A FUSELAGE LOWER SKIN REPAIR DOUBLER WAS FOUND CORRODED AT FUSELAGE STATION 336.5 TO 379.0, BETWEEN LONGERON 32R AND 32L. REPAIR ACCOMPLISHED BY REMOVAL OF CORRODED DOUBLER, FABRICATION AND INSTALLATION OF A REPAIR FILLER AND TWO REPAIR DOUBLERS IN ACCORDANCE WITH ENGINEERING ORDER 53-DC8-441 AND FAA DER APPROVED DRAWING 853-0020-97.