What was found
DURING ROUTINE C-CHECK, FOUND RIGHT HORIZONTAL STABILIZER LEADING EDGE UPPER SURFACE CORRODED AT STATION XFS178. REMOVED DAMAGE. FABRICATED REPAIR PARTS, LOCATED, DRILLED, TRIMMED, TREATED, PRIMED, AND INSTALLED NEW REPAIR PARTS IAW DC8 SRM 55-2-1, 51-1-21, AND 51-1-8.