What was found
YLW FLIGHT 2175 - AIRCRAFT FAILED TO PRESSURIZE ON CLIMBOUT WITH PRESSURIZATION SELECTOR SWITCH IN AUTO AND CABIN SET NORM SWITCH IN EIGHT POSITION. MAINTENANCE DEFERRED. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
YLW FLIGHT 2175 - AIRCRAFT FAILED TO PRESSURIZE ON CLIMBOUT WITH PRESSURIZATION SELECTOR SWITCH IN AUTO AND CABIN SET NORM SWITCH IN EIGHT POSITION. MAINTENANCE DEFERRED. AIRCRAFT RETURNED TO SERVICE.