As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: NR 2 ENGINE THRUST REVERSER LEVER DISAGREED. EMERGENCY WAS DECLARED, FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THROTTLE CONTROL UNIT PER TSM 76-11-00-810-814 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.