What was found
(CAN) ON APPROACH TO RUNWAY 22, WHEN SELECTED, THE FLAPS WOULD NOT MOVE FROM THE FLAPS 3 POSITION TO FULL FLAP. GO-AROUND WAS INITIATED DUE TO UNSTABLE APPROACH. ON SECOND ATTEMPT FLAPS MOVED TO THE CORRECT POSITION WHEN COMMANDED. TROUBLESHOT FLAP SLAT DISAGREE, MESSAGE FOUND FLAP SLAT LEVER MOD INOPERATIVE. R & R FLAP SLAT LEVER IAW AMM 27-53-01. OPS CHECK GOOD NO FAULTS NOTED, ACFT OK FOR SERVICE.