As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C/W AD 95-26-16, RIVETS HOLDING NUTPLATE TO ALTERNATE AIR DOOR WERE FOUND LOOSE ALLOWING NUTPLATE TO WEAR THROUGH APPROXIMATELY ONE-HALF OF THICKNESS AT THE DOOR. MOONEY SB M20-250B AND SB M20-253A AND AD 95-26-16R1, ADDRESS THIS PROBLEM.