What was found
AFTER TAKEOFF WE SELECTED GEAR UP. THE LEFT MAIN LANDING GEAR DIDN'T FULLY RETRACT (YELLOW CROSSHATCH ICON) THEN AN LG LEVER DISAG RED-CAS MESSAGE POSTED. WE FOLLOWED THE CHECKLIST AND SELECTED THE GEARLEVER DOWN. ALL WHEELS PROPERLY DEPLOYED AND WE GOT THREE GREEN. WE LANDED WITHOUT ANY PROBLEMS. //SIGNOFF//REMOVED DEFECTIVE UPLOCK BOX ASSEMBLY PN 2617-1000-401 SN 00850, REMOVE THE UPLOCK SENSOR FROM OLD UPLOCK ASSEMBLY AND INSTALLED IT ON THE REPLACEMENT UPLOCK ASSEMBLY, INSTALLED CUSTOMER SUPPLIED REPAIRED UPLOCK ASSEMBLY PN 2617-1000-401 SN 00041, PERFORMED OPS AND LEAK CHECK, OPS AND LEAK CHECK GOOD IAW PHENOM 300 AMM 32-31-05