What was found
THE TRAILING EDGE OF THE AIRCRAFT WING INBOARD OF THE SPEED BRAKE LOCATION. THE DISTURBED AIR BEHIND THE EXTENDED SPEED BRAKES WAS WORKING THE TRAILING EDGE OF THE WING CAUSING CRACKS AROUND THE TRAILING EDGE ATTACHMENT RIVETS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE TRAILING EDGE OF THE AIRCRAFT WING INBOARD OF THE SPEED BRAKE LOCATION. THE DISTURBED AIR BEHIND THE EXTENDED SPEED BRAKES WAS WORKING THE TRAILING EDGE OF THE WING CAUSING CRACKS AROUND THE TRAILING EDGE ATTACHMENT RIVETS.