What was found
LE SLAT DISAGREE. INSPECTED INSTALLATION, AND CORRECT RIG OF LH LEADING EDGE SLAT TRANSMITTER, REF AMM 27-58-01-501, NO DEFECTS NOTED. LOCKING UNLOCK REPLACED LEFT HAND LEADING EDGE SLAT POSITION TRANSMITTER. OPS CHECK GOOD. REF. AMM 27-88-01-024-001. TRANSMITTER, LE OFF 19-2781-9-0009 0113 ON 19-2781-9-0009 3120 TRANSMITTER, LE OFF 19-2781-9-0009 0113 ON 0000 DURING TROUBLESHOOTING EXISTING FAULTS ON FSEU 1 KEPT DISPLAYING HARD FAULT OF RH AND LH SLAT TRANSMITTER WITH FAULT CODES 222 AND 223. FSEU 2 AND 3 SHOWED NO FAULTS. AFTER RPL AND RIG OF LT SLAT TRANSMITTER FSEU 1 SHOWS NO FAULTS AND FLAP SLATS OPS NORMAL WITH NO EICAS MSGS. REF FIM 27-51 FAULT TREE 805. PARTS USED: 1114686,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1114686 SN OFF 0113.