What was found
L1 DOOR OPEN EICAS MESSAGE ON CLIMB OUT THROUGH FL340, STAYED ON EICAS FOR CRUISE PORTION. MESSAGE WENT AWAY ON DESCENT THROUGH FL300. FOLLOWED GRH, ALL INDICATIONS NORMAL ON DOOR, PRESSURE ALSO NORMAL. CLEANED SENSORS ON L2 DOOR IAW AMM 52-70-00. OPS CHECK GOOD.