What was found
GEAR UP DISAGREE ON TAKEOFF, NOSE WHEEL INDICATED RED. MESSAGE WENT AWAY AT ABOUT 1300 FT AFTER TAKEOFF. (FLIGHT 5127 - FILED CLOSED)UPON ARRIVAL, TROUBLESHOT GEAR DISAGREE REF CRJ-200 FIM 32-60-09. INTERROGATED PSEU AND FOUND CODES S22 FAR, S31 FAR, S32 FAR, DL14 ON AND DL15 ON. PERFORMED FDR DOWNLOAD REF CRJ-200 AMM 31-31-01. FOUND #3 HYDRAULIC SYSTEM LOW AND PRIORITY VALVE HYDRAULIC LEAK. PLEASE REF EAML #1619933 FOR CORRECTIVE ACTION AND REPLACEMENT OF NLG PRIORITY VALVE AND SERVICING OF #3 HYDRAULIC SYSTEM. PLEASE REFERENCE AML 1620086 FOR NLG UPLOCK TARGET CLEARANCE CHECK.