As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 FIRE TEST FAILS FAULT LIGHT ILLUMINATED AND FIRE HANDLE DOES NOT ILLUMINATE. ACFT GROUNDED. IAW WDM 26-11-11-FOUND BROKEN RING TERMINAL ON MW0325 WIRE HARNESS AT M1760 RT ENGINE CORE DETECTOR. REPLACED RING TERMINAL IAW SWPM 20-30-11 AND PERFORMED OPS TEST OF ENGINE FIRE DETECTION SYS, MM 26-11-00-710-801. OPS NORMAL.