What was found
C4 PDX - LEFT WING INBOARD FLAP INBOARD UPPER TRACK HAS CHAFE DAMAGE ON LOWER SURFACE AT 8.5" FROM FORWARD EDGE. REPAIRED IAW RD8-57-985.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
C4 PDX - LEFT WING INBOARD FLAP INBOARD UPPER TRACK HAS CHAFE DAMAGE ON LOWER SURFACE AT 8.5" FROM FORWARD EDGE. REPAIRED IAW RD8-57-985.