As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE NR 2, FIRE LOOP B FAULT LIGHT WHEN TESTED. ACFT GROUNDED. COMFIRMED FAULT STILL ACTIVE REF FIM TASK 26-10, TASK 801. DURING GVI OF FIRE DETECTION LOOPS FOUND BROKEN WIRE ON "B" LOOP AT THE TERMINAL ON THE UPPER END OF THE AFT RT SIDE CORE LOOP MW0326 HARNESS. RETERMINATED WIRE REF SWPM 20-30-11. REINSTALLED TERMINAL REF AMM 26-11-02-400-802. OPS CK OK REF AMM 26-11-00-710-801. CLEARS MEL 26-2B.