What was found
L ENG ANALOG N2 STATUS MESSAGE 2+10 IN FLIGHT(<P>PERFORMED FIM 73-21 FT901 RESISTANCE CHECK GOOD B/W PINS 3&4 ON N2 SPEED SENSOR.PERFORMED ENG RUN IAW AMM 71-00-00 MSG REMAINED.REMOVED AND REPLACED L ENG N2 SPEED CARD IAW WDM 77-12-12.AFTER MULTIPLE ENG RUNS STATUS MSG REAPPEARED ONLY WHEN L EICAS COMPUTER WAS SELECTED. REMOVED AND REPLACED L EICAS COMPLUTER IAW AMM 31-41-02.PERFORMED EICAS SOFTWARE LOAD IAW AMM 32-41-02, OPS CHECK GOOD. PERFORMED ENG RUN IAW AMM 71-00-00, OPS CHECK GOOD, NO STATUS MSG FOR L ENGINE ANALOG N2.<BR /></P>)