What was found
ON DEPARTURE FROM MSP, THE CREW EXPERIENCED AN AIRCRAFT PRESSURIZATION FAULT. FLIGHT RETURNED TO MSP WITHOUT FURTHER INCIDENT. CLEANED JET PUMP FILTER ON SECONDARY OUTFLOW VALVES IAW AMM 21-30-38. ALL CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON DEPARTURE FROM MSP, THE CREW EXPERIENCED AN AIRCRAFT PRESSURIZATION FAULT. FLIGHT RETURNED TO MSP WITHOUT FURTHER INCIDENT. CLEANED JET PUMP FILTER ON SECONDARY OUTFLOW VALVES IAW AMM 21-30-38. ALL CHECKS GOOD.