What was found
D:GEAR DISAGREE ON APPROACH HLN, QRH RESOLVED WITH GEAR UP, THEN DOWN.C:MEL 32-30-1CAT A DUE 6/20/24PSEU CODE DO44DOWN ERRGEAR DISAGREE ON APPROACH HLN, QRH RESOLVED WITH GEAR UP, THEN DOWN. FOUND CODE DO44DOWN ERR ON THE PSEU NOSE GEAR EXTEND SOLENOID, DEFERRED LANDING GEAR RETRACTION SYS IAW CRJ200 MEL 32-30-1 MX ACTION C/W PLACARD INSTALLED.