As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - C4 - LT INBOARD FLAP OUTBOARD MIDDLE VANE ACTUATOR IS WORN ON THE SHAFT AT 3 PLACES (UPPER) SURFACE APPROX .400"L X .300W X .002 DEEP. MAPPED AREA FOR ENGINEERING. REMOVED DAMAGE FROM AFFECTED AREA PER REO 670-57-52-116 SHEET 3 STEP 1. FPI BLENDED AREA FOR CRACKS IAW CRJ NDTM PART 1, 51-20-008 AND HORIZON AIR NDTM SEC 8, NO CRACKS NOTED. COMPLETED REO 670-57-52-116 BY C/W STEP 4.