As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2830 - CREW REPORTED A LANDING GEAR AIR/GROUND FAIL INDICATION FOLLOWED BY ENGINE 1/2 REVERSER DISAGREE MESSAGES. THE AIRCRAFT RETURNED TO IAH WHERE MAINTENANCE FOUND THE NOSE GEAR STRUT TO BE FLAT. THE NLG STRUT WAS DISASSEMBLED AND PACKING WAS REPLACED. THE STRUT WAS THEN REASSEMBLED, LANDING GEAR OPERATIONAL AND LEAK CHECKS PERFORMED AND THE DISCREPANCY WAS CLEARED.