As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
7628-STL- UPON GEAR RETRACTION AFTER TAKEOFF, EICAS GENERATED THE FOLLOWING MESSAGES: ENGINE 1 AND 2 THRUST REVERSER DISAGREE, LANDING GEAR AIR/GROUND DISAGREE. MAINTENANCE INSPECTED AND REPLACED LEFT MAIN LANDING GEAR NR 2 WEIGHT ON WHEELS SWITCH.