What was found
WHEN SELECTING THE MLG DOWN, RECIEVED MLG DISAGREE RT CAS MESSAGE ALONG WITH A RT MAIN AMBER X FOR RT MLG IND. RAN QRC FOR GEAR DISAGREE RT CAS MESSAGE & STILL DID NOT HAVE A GREEN DOWN & LOCKED. ONCE FLAPS SELECTED TO FULL, AMBER X FOR RT MLG CHANGED TO A RED X & GOT AURAL MLG WARNING. LANDED WITHOUT INCIDENT BUT AURAL WARNING & RED X REMAINED. UPLOCK SWITCH PREVIOUSLY REPLACED, ACFT FERRIED FOR OPS CHK. PERFORMED MLG UPLOCK SWITCH POST MAINTENANCE CHKS. PERFORMED MLG UPLOCK SWITCH ADJUSTMENT. FOUND TO BE WITHIN LIMITS. PERFORMED LANDING GEAR OPS CHK IAW AMM 32-32-00. GEAR INDICATIONS NORMAL. BLED HYDRAULIC SYS IAW AMM 12-10-30. MLG OPS CHKD AND INDICATIONS GOOD.