As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE B LOOP TEST FAILED. ACFT GROUNDED. MOVED THE NR 2 ENGINE FIRE AND OVERHEAT DETECTION SYSTEM SWITCH TO NORMAL POSITION. FOUND THE NR 2 ENGINE CORE DETECTOR HARNESS LOOP B TERMINAL LUG DAMAGED. REMOVED AND REPLACED THE TERMINAL LUG. OPS TESTED GOOD IAW AMM 26-11-02.