As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OPEN UPS FOR REQUIRED MAINTENANCE INSPECTIONS, PANEL 671BB RETAINER ASSEMBLY SEAL ANGLE WAS FOUND WORN IN NUMEROUS AREAS AND THE INBOARD END FOUND BROKEN DUE TO CONTACT WITH AILERON BALANCE WEIGHT ATTACH FITTING DURING AILERON MOVEMENTS. DURING EVALUATION IT WAS FOUND THE RETAINER ASSEMBLY SEAL ANGLE WAS PREVIOUSLY INSTALLED BACKWARDS.