What was found
"ON FINAL APPROACH, ""GEAR DISAGREE"" WARNING MESSAGE. GEAR DID NOT COME DOWN. RECYCLED LANDING GEAR LEVER 2 TIMES. GEAR STILL DID NOT COME DOWN RAN QRH. PER QRH RELEASED GEAR VIA MANUAL GEAR RELEASE. THEN WE RECEIVED GREEN INDICATIONS ON ALL THREE. AFTER LANDING, USED RUDDERS TO EXIT RUNWAY VIA HIGH SPEED TAXIWAY, BECAUSE OF ""STEER INOP"" CAUTION MESSAGE. WE WERE THEN TAKEN TO GATE VIA TUG. R/R LANDING GEAR SELECTOR VALVE IAW CRJ-900 AMM 32-32-10 LEAK CHECK GOOD. LANDING GEAR EXTENSION AND RETRACTION TEST REQUIRED REFER TO LOGPAGE 4041375-1 "