As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED INSPECTION, WING ATTACH BOLT WAS FOUND TO BE LOOSE. THIS SAME BOLT HAD BEEN REPLACED IAW EO 1 YEAR PRIOR. AT THAT TEIM 3 OTHER AC IN OUR FLEET WERE SIMIALRLY REPAIRED. MFG HAS BEEN CONTACTED AND IS WORKING ON REPAIR. (GL21200500264)