As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PREVIOUS EXTERNAL REPAIR DOUBLER LOCATED ON LEFT WING O/B FLAP UPPER MAIN SKIN UNDER RUB STRIP AT FLAP TRACK NR 4 MEASURING 4 INCH BY 5.7 INCH. REPAIR NOT IAW SRM REQUIREMENTS. REMOVED PREVIOUS REPAIR AND INSTALLED CORRECT REPAIR ON LEFT WING O/B FLAP UPPER MAIN SKIN UNDER RUB STRIP AT FLAP TRACK NR 4 IAW FEDEX EA6-5750-121291. THIS IS AN APPROVED REPAIR AND IS A RESULT OF AGING AIRCRAFT INSPECTION.