As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 5807 - ATB/FUME - DUE TO REPORTS OF AIR NOISE, VIBRATION AND SMELL IN AFT CABIN. CORRECTIVE ACTION: T/S FOUND RT RECIRC AIR CHECK VALVE ORIENTED SIDEWAYS, REINSTALLED. REMOVED AND REPLACED LEFT AND RIGHT RECIRC AIR FILTERS. FOUND APU DUCT SUPPORT BRACKETS BROKEN IN AFT CARGO BIN, REPLACED BRACKETS.