What was found
DURING FLIGHT A GRINDING NOISE AND BURNING SMELL AT MID CABIN, TURNED RECIRC FAN OFF AND SMELL DISSIPATED. REMOVED AND REPLACED RECIRC FAN PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING FLIGHT A GRINDING NOISE AND BURNING SMELL AT MID CABIN, TURNED RECIRC FAN OFF AND SMELL DISSIPATED. REMOVED AND REPLACED RECIRC FAN PER MM.