What was found
DURING SCHEDULED ROUTINE MAINTENANCE DISCOVERED LEFT OUTBOARD WING UPPER SKIN TRAILING EDGE HAD CORROSION AND DEBOND BETWEEN WS 121 THROUGH 194.85. REMOVED DAMAGED SKIN, FABRICATED AND INSTALLED AN EXTERNAL REPAIR DOUBLER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SCHEDULED ROUTINE MAINTENANCE DISCOVERED LEFT OUTBOARD WING UPPER SKIN TRAILING EDGE HAD CORROSION AND DEBOND BETWEEN WS 121 THROUGH 194.85. REMOVED DAMAGED SKIN, FABRICATED AND INSTALLED AN EXTERNAL REPAIR DOUBLER.