What was found
LEFT MLG LANDING GEAR RETRACTION DID NOT RETRACT - LEFT LANDING GEAR WOULD NOT RETRACT, GEAR INDICATOR LIGHTS REMAINED YELLOW DOWN , ADC SSEC MISSCOMPARE EICAS MESSAGE CAME ON. RAN CHECK LIST GEAR CAME DOWN 3 GREEN THEN EICAS MESSAGE WENT AWAY , LANDED NORMAL. *****CORRECTIVE ACTION***** REPLACED LT MLG ELECTRICAL HARNESS.