As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A CRACK WAS DISCOVERED IN THE RIGHT SIDE INBOARD AIRBRAKE ON THE UPPER SKIN 3/4 OF AN INCH FROM THE TRAILING EDGE AND APPROXIMATELY 10 TO 12 INCHES IN LENGTH. THE UPPER AIRBRAKE ASSEMBLY WAS REPLACED IN ACCORDANCE WITH THE HAWKER 800 MAINTENANCE MANUAL AND THE AIRCRAFT WAS RETURNED TO SERVICE.