As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L ENG FIRE LIGHT. A SMALL LIGHT IN THE LOWER LEFT CORNER OF THE L ENG FIRE LIGHT APPEARED IN CRUISE FLIGHT. IT STAYED ILLUMINATED FOR ABOUT 1/2 HOUR BEFORE FADING OUT. WE RAN THE ENGINE FIRE TEST. NO CHANGES. NO SIGNS OF FIRE OR ENGINE ISSUES WERE NOTED DURING THE FLIGHT. INSTALLED NEW CUSTOMER SUPPLIED SWITCH ASSEMBLY P/N:46863-203 AS REQ. C/W OPS CHECK WITH NO DEFECTS NOTED AT THIS TIME. IAW CE 700 MM CH 26-20-00