As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT: 79 TLH/FLL LANDING GEAR "UNLOCK" LIGHT ONLY ON MAIN PANEL WHEN GEAR SELECTED DOWN POSSILBE TIE TO MFC FAULT AS SOON AS MFC RECOVERED NOSE GEAR EXTENDED AND WE HAD 3 GREEN. CORRECTIVE ACTION: PERFORMED OPERATIONAL CHECK COULD NOT DUPLICATE.