As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE FIRE DETECTOR CIRCUIT GROUND ANNUNCIATOR ON P-6 IS ILLUMINATED. TRANSFERRED TO DMI 15476 PER MEL 26-9-1, PLACARD INSTALLED. FOUND WIRE BROKEN OFF AFT PLUG ON FIRE LOOP NR 2 ENGINE. REPLACED AFT PLUG ON NR 2 ENGINE FIRE LOOP PER BSW PM 20-62-17. OPS CHECKED SATISFACTORY PER B-727 M/M 26-11-01. PLUG P/N: 1625-1. THIS CLEARS DMI 15476.