As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLT HAD A SOUND AND VIBRATION COMING FROM THE CAPT SIDE COULD FEEL THE VIBRATION ON MY SEAT.AFTER A COUPLE OF MINUTES A STRONG ELEC SMELL.TURNED OFF THE BLOWER FAN TO OVRD THE SMELL AND VIBRATION WENT AWAY.FAN REMAINED OFF THE REST OF THE FLIGHT. ( BLOWER FAN (AVIONICS VENTILATION) VENT AVNCS SYS FAULT NOT DISPLAYED )-R/R BLOWER FAN (20HQ) IAW AMM 21-26-51. OPS CECK GOOD NO UNUSUAL NOISE HEARD. THIS CLOSES DMI 3386645-1 PLACARDS REMOVED MOC NOTIFIED.