What was found
UNABLE TO MAINTAIN CABIN PRESSURE. DESCENDED TO 10,000 FT PRIOR TO REACHING 14,000. CABIN HAD CLIMBED TO 14,000 AND MASKS DROPPED. DIVERTED TO CLE. FOUND LT AC PACK FLOW CONTROL VALVE SWITCH INOP. REPLACED AC CONTROL PANEL AND VALVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNABLE TO MAINTAIN CABIN PRESSURE. DESCENDED TO 10,000 FT PRIOR TO REACHING 14,000. CABIN HAD CLIMBED TO 14,000 AND MASKS DROPPED. DIVERTED TO CLE. FOUND LT AC PACK FLOW CONTROL VALVE SWITCH INOP. REPLACED AC CONTROL PANEL AND VALVE.