As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LANDING ROLLOUT, THE NR 3 ENGINE THRUST REVERSER DID NOT STOW. THE NR 3 ENGINE EGT CLIMBED TO 920C AND THE ENGINE WAS SHUT DOWN. MAINTENANCE INSPECTED THE ENGINE PER MM 70-00-00. EGT WAS WITHIN LIMITS AND NO DEFECTS WERE NOTED. GROUND RUN OF ENGINE CHECKED GOOD. PART CAUSING PROBLEM TO BE DETERMINED.