As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) RT STRUT TRUNNION ACCESS PANEL SEPARATED FROM AIRCRAFT. THE PANEL CAUSED IMPACT DAMAGE TO THE RT HORIZONTAL STABILISER LEADING EDGE AND TOP SKIN. FOLLOWING REMOVAL OF THE REMAINS OF THE DEPARTEDPANEL THE HOLDING TORQUE ON THE ANCHOR NUTS WAS CHECKED WITH FOUR ANCHOR NUTS FAILING THE TORQUE CHECK.