As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) OPERATORS HAVE REPORTED FINDING FOUR AIRSTAIR DOOR GOOSENECKS CRACKED / BROKEN IN THE FORWARD POSITION. IT WAS ALSO FOUND ON TWO AIRCRAFT THAT THE FASTENERS WERE CORRODED AT THE DOOR PIVOT POINT. A FLEET CAMPAIGN TO INSPECT AND LUBE THESE FASTENERS IS BEING CARRIED OUT. NOTE, MANUFACTURER OF THE DOOR AND THE GOOSENECK IS MHI.