As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - C4 - RH WING I/B FLAP 2ND FROM I/B, VANE ACTUATOR SHAFT HAS CHAFING ON UPPER SURFACE. 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 700 NDTM PART 1, 51-20-008 AND HORIZON AIR NDTM SEC 8, NO CRACKS NOTED. COMPLETED REO 670-57-52-116 BY COMPLETING STEP 34.