As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE FIRE WARNING LIGHT ILLUMINATED IN-FLIGHT. PILOT MADE PRECAUTIONARY LANDING. NO FIRE EVIDENT. PILOT FOUND TWO WIRES PULLED FROM CONNECTOR. SUBMITTER SUGGESTS PREVENTIVE ACTION - CHECK CONNECTOR AT FIRE DETECTOR FOR WIRES PULLED FROM CONNECTOR.