As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 3034, CMH TO DCA. DURING CLIMBOUT, THE FLIGHT CREW RECEIVED LG AIR/GND FAIL FOLLOWED BY E1-E2 THRUST REVERSER DISAGREE ON EICAS. THE CREW BURNED OFF FUEL TO LAND UNDER WEIGHT AND LANDED WITHOUT INCIDENT IN CMH. MAINTENANCE FOUND CMC MESSAGES FOR NLG PROX SWITCH FAIL AND L/G T/R LOGIC. THE NOSE STRUT WAS INSPECTED AND WAS FOUND TO BE OVER SERVICED. THE NOSE STRUT WAS DRAINED AND RE-SERVICED PER AMM 32-20-01. THE GEAR WAS THEN SWUNG WITH NO DEFECTS NOTED AND NO CMC MESSAGES NOTED.