What was found
ON TAKEOFF GEAR WOULD NOT COME UP, ALL GREEN LIGHTS STAYED ON. NOSE AND RIGHT MAIN RED ''A'' CAME ON WITH HANDLE IN UP POSITION. IN DOWN POSITION ALL REDS OUT AND ALL GREENS ON, NORMAL DOWN INDICATION. REPLACED LANDING GEAR RELAY BOX WHICH WAS CHATTERING IAW MM 32-31 -02. S/N ON: 120071R AND S/N OFF: 120119. OPS CHECK GOOD.