As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 942, HNL-KOA: (NON-ETOPS) AFTER ENGINES WERE STARTED, THE NR 2 ENGINE FIRE WARNING SWITCH AND BELL CAME ON. FOLLOWED THE QRH AND SHUT DOWN THE ENGINE. REPLACED THE HERMETIC CONNECTORS ON THE NR 2 ENGINE LOWER FIRE DETECTION LOOP. ACCOMPLISHED HIGH POWER ENGINE RUN WITH NO FIRE WARNING INDICATIONS NOTED. AIRCRAFT RETURNED TO SERVICE.