What was found
FLIGHT 1269, IND-CLT - ON APPROACH TO CLT, WHEN THE CREW SELECTED FLAPS 1, A SLAT FAIL MESSAGE WAS RECEIVED. FLAPS ONLY EXTENDED TO FLAPS 2. FLIGHT INITIATED A GO-AROUND DUE TO THIS ISSUE AND EMERGENCY EQUIPMENT WAS CALLED OUT. THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT WING INBOARD (SLAT 2) HARNESS.