What was found
TWO FASTENERS FAILED AT OUTBOARD AFT TRAILING EDGE OF LEFT WING. WHERE THE AFT TIP FUEL TANK AND OUTBOARD AILERON HINGE BRACKET MOUNT. CREATING MOVEMENT OF AFT WING SPAR, CAUSING A CRACK IN THE UPPER SKIN.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
TWO FASTENERS FAILED AT OUTBOARD AFT TRAILING EDGE OF LEFT WING. WHERE THE AFT TIP FUEL TANK AND OUTBOARD AILERON HINGE BRACKET MOUNT. CREATING MOVEMENT OF AFT WING SPAR, CAUSING A CRACK IN THE UPPER SKIN.