What was found
DURING SCHEDULED ROUTINE MAINTENANCE DISCOVERED LEFT WING OUTBOARD TRAILING EDGE UPPER SKIN HAS CORROSION DAMAGE. REMOVED DAMAGED AREA OF SKIN AND INSTALLED REPAIR FILLER AND AN EXTERNAL DOUBLER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SCHEDULED ROUTINE MAINTENANCE DISCOVERED LEFT WING OUTBOARD TRAILING EDGE UPPER SKIN HAS CORROSION DAMAGE. REMOVED DAMAGED AREA OF SKIN AND INSTALLED REPAIR FILLER AND AN EXTERNAL DOUBLER.