As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS ON SHORT FINAL AT 50 FT AGL WHEN NR 1 ENGINE LOW SPEED CHIME CAME ON. PILOT NOTED DECREASING N1 RPM WITH RISING T% (ROLLBACK). PROPER ENGINE IDENTIFIED AND SHUT DOWN. RECORDING T5 INDICATOR CHECKED AND FOUND ENGINE HAD REACHED 784C FOR 4 SECONDS. THIS IS AN OVERTEMP SO ENGINE WAS REMOVED. ENGINE WAS REMOVED FROM AIRCRAFT AND BEING SHIPPED BACK TO THIS REPAIR STATION FOR INVESTIGATION. THIS REPORT IS BEING SUBMITTED AT THIS TIME TO MEET REPORTING REQUIREMENTS.