As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON COMPLIANCE WITH AD, DETECTED A CRACK COMPLETELY THROUGH CAST WEB. INSTALLED NEW CARRIAGE ASSEMBLY PN 7700AS755097000. NEW PART WEB THICKNESS IS APPROX 3X THICKER. POSSIBLE CAUSE; HIGH FLAP OPERATING SPEED. REPLACEMENT PART APPEAR TO BE REINFORCED IN AFFECTED AREA.