What was found
DURING ROUTINE C CHECK, FOUND LEFT HORIZONTAL STABILIZER INNER SPAR BOX UPPER SECTION STRINGER NUMBER 1 CRACKED AT STATION XFS 47.500. STOP DRILLED CRACK. FABRICATED REPAIR PARTS, LOCATED, DRILLED, TREATED, PRIMED, INSTALLED REPAIR PARTS WITH SEALANT BETWEEN THE FAYING SURFACES, AND FASTENERS IAW COOPESA E.O. COO-8-55-390-04 DATED 10/14/2004.