What was found
DURING ROUTINE C-CHECK FOUND INTERNAL SKIN CORROSION AT STATION 610 BETWEEN LONGERON 33 RIGHT AND 34 RIGHT. REMOVED FASTENERS AS NEEDED TO REMOVE DAMAGE. FABRICATED REPAIR PARTS, LOCATED, DRILLED, TRIMMED, DEBURRED, TREATED, PRIMED, INSTALLED REPAIR PARTS, AND NEW FASTENERS FROM STATION 620 TO 640 BETWEEN LONGERON 35 LEFT TO 33 RIGHT IAW DC8 SRM 51-1-21, 51-1-20D, 53-2-1, 51-1-4, AND 51-1-8.