What was found
GEAR DISAGREE, EICAS AT GEAR DOWN 3 GREEN LIGHTS AMBER GEAR LIGHT ON INBD. CREW STATED, GOT 3 GREEN LIGHTS WITH AMBER GEAR LIGHT & GEAR DISAGREE EICAS MSG, CREW PERFORMED GO AROUND & DECLARED AN EMERGENCY. ACFT LANDED NORMALLY & ALL INDICATONS WERE NORMAL WHEN MX MET THE ACFT AT THE GATE. ACCOMP PSEU BITE PER FIM 32-09 TREE 804. CODES 421, 422, 423, & 424 ALL PRESENT INDICATING LANDING GEAR LEVER MODULE FAULT. ACFT HAD PREV HISTORY FOR SAME FAULTS IN JUNE ON L/P 9314657 & 9323769, WHERE GEAR LEVER MODULE REPLACED. SAME L/P'S INDICATED POSSIBLE ISSUE WITH LEVER MOVING INTO THE GEAR EXTEND DETENT PROPERLY. DUE TO HISTORY ACCOMPLISHED IAW FIM 32-09 TREE 804 FIG 103 SHEET 10 AND WDM 32-61-11, ACCOMPLISHED CONTINUITY AND INSUALTION RESISTANCE CHECKS FOR WIRING ASSOC W/ CODES 421, 422, 423, & 424 BEWEEN S3 & S4 OF M937 GEAR L EVER MODULE & M162 PSEU. ALSO ACCOMPLISH SWITCH HEALTH CHECK FOR S3 & S4 OF GEAR LEVER MODULE. FOLLOW ALL SAFETY PRECAUTIONS PER APPLICABLE AMM'S FOR REMOVAL OF PSEU & TO MOVE GEAR LEVER W HILE ON THE GROUND. ACCOMPLISHED AMM 32-31-00-825-027, MLG CONTROL ADJUSTMENT IAW AMM 32-61-00-705-001, OPS CHKD GOOD, NO FAULTS FOUND.