As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LANDING, THE NR 1 ENGINE REVERSER WOULD NOT COME OUT OF FULL REVERSE TO THE STOWED POSITION AND THE ENGINE WAS SHUT DOWN WHILE ON THE RUNWAY. A GROUND RUN-UP WAS ACCOMPLISHED AND PROPER REVERSER OPERATION WAS CONFIRMED BY ITS OPERATION THROUGH SEVERAL REVERSING CYCLES.