What was found
IFSD: DUE TO DET FIRE/OHT 2 IN CLIMB REMAINED DISPLAY ENTIRE FLIGHT. STATUS NR 2 ENGINE FIRE LOOP B-RESET. B AND A LOOP CIRCUIT BREAKERS REDUCED, NR 2 THRUST TO IDLE, NO HELP DISPLAYED UNTIL ENGINE SHUTDOWN. ADVISORY, ENG 2 PRECAUTIONARY SHUTDOWN AT 2345, DUE TO NO FIRE/OVH DETECTION BOTH A AND B LOOPS INOP. PERFORMED NR 2 ENGINE INSPECTION NO FINDINGS, ACCOMPLISHED AIR LEAK CHECK IAW AMM 36-11-00, ALL NORMAL. REPLACED NR 2 ENGINE FIRE DETECTOR ELEMENT UPPER AND LOWER AFT A&B AS PER AMM 26-13-00.