What was found
DURING C-CHECK INSPECTION DISCOVERED OVERSIZED FASTENER HOLE IN THE HORIZONTAL STABILIZER UPPER AFT SKIN PANELS/STRINGERS (PN 5922578-501) REFERENCED IN DAC SB 55-42R1 AND AD 96-10-11. REPAIRED BY OVERSIZING HOLE, SPLIT-SLEEVE COINING THE OVERSIZED HOLE, FABRICATING AND INSTALLING A REPAIR BUSHING AND STANDARD DIAMETER HILOK. REPAIRED IAW EVERGREEN AIR CENTER - ENGINEERING CHANGE/REPAIR AUTHORIZATION NR N679HA-55-001-EAC. (X)