What was found
AT FL370 AUTO PRESSURIZATION FAILED IN AUTO MODE. CAPTAIN DEPLOYED MASK AND SWITCHED TO MANUAL MODE AND RECOVERED CABIN ALTITUDE. REMOVED AND REPLACED PRESSURE CONTROLLER. (K)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AT FL370 AUTO PRESSURIZATION FAILED IN AUTO MODE. CAPTAIN DEPLOYED MASK AND SWITCHED TO MANUAL MODE AND RECOVERED CABIN ALTITUDE. REMOVED AND REPLACED PRESSURE CONTROLLER. (K)