What was found
DURING CLIMB-OUT FROM DTW, RECEIVED 'VENT SKIN VALVE' FAULT. UNABLE TO PRESSURIZE AIRCRAFT. RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE AVIONICS EQUIPMENT VENTILATION COMPUTER. OPERATIONAL CHECK OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CLIMB-OUT FROM DTW, RECEIVED 'VENT SKIN VALVE' FAULT. UNABLE TO PRESSURIZE AIRCRAFT. RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE AVIONICS EQUIPMENT VENTILATION COMPUTER. OPERATIONAL CHECK OK.