What was found
GEAR DISAGREE ON TAKE OFF. GEAR WOULD NOT RETRACT. RAN QRH STILL UNABLE TO GET GEAR UP. GEAR MAINTAINED 3 DOWN GREEN WHOLE TIME. HAD PROX SYSTEM 1 STATUS MESSAGE UNTIL LANDING, THEN IT WENT A WAY. (FLIGHT 5507 - FILED CLOSED) MDC FAULT HISTORY REPORTS B1-007412-NG CENTRD #2 SNSR PX37 UNREASONABLE FAR, B1-005968- ALL GEAR SYS FAILED NO GEAR MOVEMENT. B1-0077437-NG UP SNSR UNREASONABLE FAR, B1-007249-LG UPLK SNSR UNREASONABLE FAR, B1-007697-RG UPLK SNSR UNREASONABLE FAR. PLEASE REFERENCE AML 1023815 PLEASE REFERENCE AML 1023827 PLEASE REFERENCE AML 1023856 PLEASE REFERENCE AML 1023879 PLEASE REFERENCE AML 1023895. PLEASE REFERENCE AML 1023926 FOR TROUBLESHOOTING.