What was found
JFK - FLT 38 - EN ROUTE DFW-ZRH, TWO AND ONE-HALF HOURS INTO FLIGHT, BLUE CARGO DOOR EICAS MESSAGE CAME ON THEN BEGAN FLICKERING ON AND OFF FOR 30 MINUTES. WHILE CALLING TECH GOT THE BULK CARGO DOOR EICAS STEADY AGAIN AND A QUICK BELL AND TWO QUICK RED EICAS MESSAGES WHICH WENT OUT BEFORE IT WAS READ. THIS WAS ALSO FOLLOWED BY EICAS DISAGREE AND LEFT EICAS COMPUTER WHITE MESSAGES. LANDED JFK WITHOUT INCIDENT. REPLACED LEFT EICAS COMPUTER AND ACCOMPLISHED CHECK. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)