What was found
RIGHT MAIN GEAR INDICATOR DID NOT ACTUATE NORMALLY. RIGHT MAIN GEAR DOWN LIGHT WAS NOT ON. LANDING GEAR WILL NOT EXTEND CHECKLIST COMPLETED AND RIGHT MAIN GEAR EXTENDED LIGHT CAME ON. R & R THE RT SIDE BRACE ACTUATOR. OPS CHECKS GOOD, REF MM 32-31-04. R & R GEAR MONITOR PCB NZ044. OPS CHECKS GOOD, REF MM 24-51-02. PARTS REPLACED: MLG ACTUATOR ASSY, PN: 1556600-4A, SN: 453A, PCB, PN: 6518394-1, SN: 0328.