As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERMITTENT FIRE LIGHT AND AURAL ON NR 1 ENGINE. TESTED THE NR 1 ENGINE FIRE DETECTION SYSTEM IAW S92A-AMM-000 TASK 26-11-00710-001 REV. 33. CHECKED GOOD. INSPECTED INBOARD AND OUTBOARD DETECTORS WIRING AND CONNECTORS, NO DEFECTS NOTED. FAULT COULD NOT BE DUPLICATED. GROUND RAN AIRCRAFT SYSTEM. CHECKED GOOD. PERFORMED 30 MINUTE FLIGHT SYSTEM CHECKED GOOD.