What was found
DURING GEAR EXTENSION BRAKE CONTROL FAULT MESSAGE DISPLAYED. RT MLG SLOW TO EXTEND WITH SLIGHT YAW FELT - TRANSIENT LANDING LEVER DISAGREE APPEARED ONCE ALL GEAR DOWN - BRAKE CONTROL FAULT ALSO DISAPPEARED. CREW ELECTED TO GO AROUND. A SECOND GEAR EXTENSION WAS ATTEMPTED AND WAS SUCCESSFUL WITH NO FURTHER FAULT. A/C LANDED UNEVENTFULLY IN JFK. PER FIM TASK 32-41-00-810-860A BRAKE CTL FLT IS A TRANSITORY CONDITION. T/S PER FIM 32-61-00-810-913A PERFORMED 5 LG SWINGS PER AMM 32-33-00-710-801-A WERE ABLE TO DUPLICATE MAIN GEAR FAULT. LUBED MLG IAW 32-00-03 REF LP 481138 NR 1 FOR LUBE OF UPLOCK ROLLER FITTINGS. PERFORMED EMERGENCY GEAR EXT SELECT VALVE ROD PER AMM 32-34-00-820-801-A, NO DEFECTS NOTED. RAN SIX MORE SWINGS PER AMM LISTED ABOVE (21 TOTAL) NO FURTHER PROBLEMS, MESSAGES NOTED.