As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON LANDING, THE LEFT ENGINE FIRE WARNING LIGHT ILLUMINATED. INVESTGATION FOUND NO FIRE, BUT REVEALED A MISSING INSULATOR INSIDE THE BULKHEAD CONNECTOR. SUBMITTER BELIEVES IT PROBABLY FELL OUT DURING ENGINE INSTALLATION 34 HOURS EARLIER.