What was found
DURING FLIGHT, A LOUD AIR LEAK FROM THE AFT CABIN PLUG DOOR, AIRCRAFT PRESSURIZATION WAS NORMAL. RETURNED TO DTW WITHOUT FURTHER INCIDENT. REMOVED INSULATION FROM THE PLUG HATCH SEAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING FLIGHT, A LOUD AIR LEAK FROM THE AFT CABIN PLUG DOOR, AIRCRAFT PRESSURIZATION WAS NORMAL. RETURNED TO DTW WITHOUT FURTHER INCIDENT. REMOVED INSULATION FROM THE PLUG HATCH SEAL.