What was found
EWR - FLT 1456 - GEAR DOOR LIGHTS STAYS ON. AFTER GEAR RAISED LIGHT GOES OUT, WHEN HYD SWITCHED TO LOW LIGHT ON, STAYED ON AND FLICKERING IN FLIGHT. READJUSTED LEFT MLG DOOR PROX SENSOR IAW MM 32-60-05. OPS CHECK GEAR WARNING SYSTEM SEVERAL TIMES. OPS NORMAL. (M)