What was found
45 MINUTES PRIOR TO LANDING, SMELLED AN ELECTRICAL BURNING ODOR, NOTICED THE DATALINK MGMT UNIT CIRCUIT BREAKER HAD TRIPPED AND THE ACARS UNIT SCREEN HAD GONE BLANK. ACARS REMAINED UNRESPONSIVE FOR REMAINDER OF THE FLIGHT. ACARS MGT COMPUTER ODOR OF ELECTRICAL BURNING. ACARS MGT COMPUTER SECURED IN RACK E2-5. CIRCUIT BREAKER PULLED AND COLLARED AS FOLLOWS P11-G06,P11-G33 AND P6-G05. REPLACED ACARS MANAGEMENT UNIT.