As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLIGHT IT WAS REPORTED THAT SEVERAL INTERIOR EMERGENCY LIGHTS FAILED TO ILLUMINATE DURING TESTING. GROUND MX CREW FOUND A RECESSED PIN IN A CONNECTOR PLUG. THE PIN WAS REPAIRED AND ALL OPS CHECKS PRODUCED SATISFACTORY RESULTS.