As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JUST AFTER TAKEOFF ON FLIGHT 3064, THE PAX DOOR HANDLE JARRED OPEN, AND THE MAIN CABIN DOOR LIGHT ILLUMINATED. CREW IMMEDIATELY CONTACTED MXC AND DISPATCH. AIR RETURN TO MSP. THE FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND PAX DOOR SEAL DRY/RUBBING. LUBED SEAL. OPS CHECK GOOD.