As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH AT APPROX 4000 FT, NR 2 ENG HAD AN OVERHEAT WARNING. PULLED THROTTLE BACK. LIGHT STAYED ON, THEN SHUT DOWN ENG. LIGHT STAYED ILLUMINATED AND CAPT FIRED THE LEFT FIRE BOTTLE. INDICATION PROBLEM IN THE FIRELOOP SYSTEM. FIRELOOP (A) WAS INOPERATIVE PER MEL 2611 THE PREVIOUS DAY ELIMINATING REDUNDANCY FEATURE OF THE FIRELOOP SYSTEM. FIRELOOP (B) FAILED CAUSING OVERHEAT LIGHT TO GO ON. REPLACED BOTH ENGINE CORE DETECTOR ELEMENTS M1122 DUE TO FAILURE OF MINIMUM 40 MEGOHMS RESISTANCE CHECK.