As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OVBD FLOW EXTRACT FAN FAULT WENT OVERBOARD THEN LOST PRESSURIZATION. DECLARED EMERGENCY DIVERTED TO MEMPHIS, WARNING HORN BREAKER H60 PULLED FOR MAINT PURPOSES. FOUND VENT-EXTRACT FAN AND VALVES CNTL C/B TRIPPED. RESETT. C/B TRIPPED WHEN VENT EXTRACT SELECTED OFF AND OVERBOARD EXTRACT VALVE TRIED TO DRIVE CLOSED. REMOVED AND REPLACED OVERBOARD EXTRACT VALVE 75HR. IN REF TO A300-600 AMM. 21-23-13-4. OPS TEST NORMAL.