As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE RIVETS WHICH FASTEN THE UPPER WING SKIN TO THE FLAP ACTUATOR CASTING ASSEMBLY WERE FOUND SHEARED AND PULLED THROUGH, AT WS 98.385 AND WS 100.635. THIS AREA IS DIRECTLY BEHIND THE EXHAUST STACK, APPEARS TO BE THE KEY FACTOR TO THE DEFECT. FLEET BEING INSPECTED. RIVETS WERE PULLED THROUGH WHERE THE UPPER WING SKIN IS ATTACHED. PART TC: 28,383.