What was found
MAIN CABIN DOOR MAKES A LOUD NOISE AT ALTITUDE. PERFORMED CABIN PRESSURE CONTROL SYS TEST IAW AMM 21-31-00, NO DEFECTS NOTED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MAIN CABIN DOOR MAKES A LOUD NOISE AT ALTITUDE. PERFORMED CABIN PRESSURE CONTROL SYS TEST IAW AMM 21-31-00, NO DEFECTS NOTED.