As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LANDING ROLL, LEFT ENGINE STAYED IN REVERSE, HAD GREEN REV ON EICAS. SHUTDOWN ENGINE FOR TAXI. REVERSER DEPLOYS WITH REVERSER HANDLE. WHEN HANDLE STOWED, REVERSER GREEN LIGHT STAYS ON INDEFINITELY. MOVING THRUST LEVER TO FORWARD THRUST STOWS REVERSER IMMEDIATELY.