What was found
GEAR DISAGREE WARNING MESSAGE AFTER TAKEOFF RAN QRH RETURN TO FIELD. INTERROGATED MDC FAULT NW CENTERED #2 SENSOR (PX37) UNREASONABLE OUT OF RIG. INTERROGATED PSEU SENSOR STATUS FOR PX37, FOUND UNREASONABLE NEAR. INSPECTED NLG OVERALL, NO DEFECTS NOTED. INSPECTED NG CENTERED SENSOR #2 (PX37) WITH GEAR IN CENTERED POSITION, FOUND TARGET MORE THAN HALF AWAY FROM SENSOR, WHILE SENSOR 1 (PX08) TARGET WAS FULL CENTERED UNDER SENSOR. NW ECU WILL NOT AUTORIG DUE TO SENSOR OUT OF RIG. REPOSITIONED (PX37) TARGET ON NLG STEERING COLLAR IAW CRJ 700 VCMM 32-21-06. PSEU NOW SHOWS SENSOR AS REASONABLE IN RANGE. PERFORMED AUTORIG OF NWS ECU, PASSED. PERFORMED GEAR SWINGS AND NWS, SYSTEM PASSES ALL CHECKS AT THIS TIME.