As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: CREW DECLARED AN EMERGENCY INTO DFW ON ACCOUNT OF NUMBER 7 TIRE FLAT. TIRE PRESS EICAS MESSAGE AFTER TAKEOFF. #7 TIRE SHOWS ZERO PSI ON GEAR SYNOPTIC PAGE. FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND #7 TIRE FLAT ON ARRIVAL AT DFW. REMOVED AND REPLACED #7 TIRE ASSY IAW AMM 32-45-01.