As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON LEFT WING TRAILING EDGE OUTBOARD FLAP EXTERNAL DOUBLER FOR FLAP TRACK #4, BETWEEN FLAP RIBS 14 AND 15, BETWEEN FLAP STRINGERS 7 AND 10. MAINTENANCE REPLACED EXTERNAL DOUBLER PER SRM 57-53-21-300-003.