What was found
(CAN) ON APPROACH, THE FLIGHT CREW OBSERVED A LANDING GEAR INDICATION DISAGREE REQUIRING A GO-AROUND. DURING THE SECOND APPROACH, NORMAL LANDING GEAR POSITION INDICATION WAS REPORTED RESULTING IN A SUCCESSFUL LANDING. MAINTENANCE CARRIED OUT THE FOLLOWING ACTIONS BEFORE THE ACFT WAS SUCCESSFULLY RETURNED TO SERVICE. PSEU BITE PROCEDURE C/O IAW FIM 32-09, TASK 801. FIM 32-30, TASK 816 C/O SUCCESSFULLY WITH NO FAULTS. LANDING GEAR HANDLE LEVER CLEANED W/ISOPROPYL IAW AMM STANDARD PRACTICE 20-60-08.