As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DURING ACCOMPLISHING E.O. 5520Y001 TWO FASTENER HOLES ON BR1 HINGE ARM WERE FOUND WITH CRACK DAMAGE. HOLES COULD NOT CLEAN UP WITHIN FIRST OVERSIZE LIMIT. ACCOMPLISHED INTERIM REPAIR PER EA 340510. REMOVED CRACKS WITH STEP REAMING THE HOLES IN THE HINGE ARM.