As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
3 HINGE BLOCKS HAD SEVERE EXFOLIATION CORROSION OVER MUCH OF THEIR SURFACE. ONE BLOCK WAS SPLIT IN HALF AT THE LEADING EDGE. THE FLAP ITSELF HAD MINOR SURFACE CORROSION. THE LEFT FLAP WAS FOUND IN NORMAL CONDITION. THE HINGE BLOCKS WILL BE REPLACED WITH NEW ONES BY AMO