What was found
DURING CLIMBOUT, UNABLE TO PRESSURIZE THE AIRCRAFT. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND DEBRIS UNDER SEAL IN ACCESSORY COMPARTMENT DOOR. REMOVED DEBRIS, SYSTEM OPERATED OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CLIMBOUT, UNABLE TO PRESSURIZE THE AIRCRAFT. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND DEBRIS UNDER SEAL IN ACCESSORY COMPARTMENT DOOR. REMOVED DEBRIS, SYSTEM OPERATED OK.