As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON 40,000 CYCLES INSPECTION, LOCKBOLTS WERE FOUND FACTORY INSTALLED WITH STEEL WASHERS. 20 ON THE RIGHT SIDE AND 16 ON THE LEFT SIDE. GALVANIC CORROSION HAD STARTED TO DEVELOP. BRAD CONTACTED FOR REPAIR. LOCKBOLTS REMOVED AND WING BOX SKIN TREATED FOR CORROSION DAMAGE. NEW HI-LOCKS INSTALLED PER RD8-51-102.