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 4 ENGINE STALLED IN REVERSE. THE ENGINE WAS SHUTDOWN WHILE STILL IN REVERSE AND WITH EGT CLIMBING THROUGH 750 DEGREES. PERFORMED STATIC BLEED CHECK, CHECKED RABS, RAN ENGINE IN REVERSE AND ALL CHECKS WERE NORMAL. FOUND NR 1 ENGINE WAS OUT OF RIG. RIGGED NR 1 ENGINE, PERFORMED RUNUP, RETRIMMED NR 1 ENGINE AND TEST WAS NORMAL.