What was found
C4 PDX -LEFT WING NR 4 FLAP TRACK UPPER SURFACE OF OUTBOARD LOWER TRACK HAS PITTING AT FORWARD END. REPAIRED IAW RD8/4-57-988.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
C4 PDX -LEFT WING NR 4 FLAP TRACK UPPER SURFACE OF OUTBOARD LOWER TRACK HAS PITTING AT FORWARD END. REPAIRED IAW RD8/4-57-988.