What was found
KMCN - DURING MAINTENANCE VISIT, FOUND CORROSION CRACK IN FUSELAGE SKIN AT Y=23 TO Y=55 BETWEEN LONGERONS 33R AND 34R. REMOVED DAMAGED AREA. FABRICATED FILLERS, DOUBLERS, AND INSTALLED REPAIR IAW DER APPROVED COTNEY ENGINEERING SKETCH B31-R01. ACFT TT: 61,420 HOURS. ACFT TOTAL CYCLES, 19,753. (X)