What was found
FLIGHT 5148 - AIRCRAFT WOULD NOT PRESSURIZE. FOLLOWED QRH, RETURNED TO CVG, LANDED WITHOUT INCIDENT. FOUND OVERBOARD AND INBOARD VALVES IN WRONG POSITION. REPOSITIONED VALVES. NO FURTHER DEFECTS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 5148 - AIRCRAFT WOULD NOT PRESSURIZE. FOLLOWED QRH, RETURNED TO CVG, LANDED WITHOUT INCIDENT. FOUND OVERBOARD AND INBOARD VALVES IN WRONG POSITION. REPOSITIONED VALVES. NO FURTHER DEFECTS.