As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING ROUTINE SERVICING MAINTENANCE OBSERVED THAT THE GPS ANTENNA ON THE CROWN OF THE AIRCRAFT STA 108F-126F BETWEEN STR O AND 2L TO BE OUT OF POSITION. INSPECTION FOUND FATIGUE CRACKING ALONG BOTH SIDES AND THE FRONT EDGE WAS BEGINNING TO LIFT AWAY. THE AIRCRAFT WAS REPAIRED AND RETURNED TO SERVICE. BOTH DOUBLER AND AIRCRAFT SKIN SUFFERED FATIGUE FAILURE.