What was found
(CAN) ON CLIMB-OUT, UNABLE TO PRESSURIZE AIRCRAFT. PASSENGER DOOR FLAPPER DOOR OPENED WITH SHEAR PINS ON VENT DOOR SHEARED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) ON CLIMB-OUT, UNABLE TO PRESSURIZE AIRCRAFT. PASSENGER DOOR FLAPPER DOOR OPENED WITH SHEAR PINS ON VENT DOOR SHEARED.