As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MSP - FLT 3495 - ON CLIMB-OUT, LEFT ENGINE FIRE INDICATORS ILLUMINATED. ALL OTHER ENGINE INDICATIONS WERE NORMAL. THE AIRCRAFT RETURNED TO MSP WITHOUT INCIDENT. MAINTENANCE REPLACED CONNECTOR PLUGS FOR THE ANNUNCIATOR AND FIRE PANELS. (X)