As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE AND BURNING SMELL IN FLIGHT DECK SITTING AT GATE. HEARD FANS FOR FWD AVIONICS BAY KICK ON. FACT 27MAR25 16:13 CLT UPON INSPECTION FOUND INSULATION CAUGHT IN LH FWD FAN. REMOVED INSULATION. FAN OPERATES AS INTENDED. NO FURTHER DEFECTS OR FUMES NOTED AT THIS TIME. A/C OK FOR SERVICE