What was found
SLAT FAIL DURING FINAL APPROACH @ 4500 MSL, DID MISSED APPRAOCH. RAN SLAT FAIL CHECKLIST, CYCLED FLAPS, MESSAGE REMAINED. ASSOC EICAS: AP FAIL, SPD BRAKE FAIL, SHAKER ANTICIPATED, AOA LIMIT FAIL, AT FAIL. WEATHER CLEAR, NO TURBULANCE, NO WIND GUSTS. LANDING UNEVENTFUL. REMOVED FROM SERVICE. C/W FIM TASK 27-81-00-810-805-A & AMM 27-80-00 FOR OPS CHECK, FAULT RETURNED. FAULT CODE 27811013ACE. FOUND OUTBOARD SLAT SKEW SENSOR DAMAGED. REPLACED OUTBOARD SLAT SKEW SENSOR PER E175 AMM 27-83-01-000/400-801-A. PERFORMED SLAT CONTROL SYSTEM MECHANICAL RIGGING PER AMM 27-80-00-820-801-A. OPS TEST OF SLAT SYSTEM GOOD. NO FAULTS ARE DISPLAYED ON EICAS. RETURNED TO SERVICE.