As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION FOUND U-CHANNEL AT REAR SPAR OF LT WING LOWER SURFACE JUST INBOARD OF SECOND OUTBOARD FLAP TRANSMISSION WORN AND CRACKED OUT OF NUT PLATE HOLE. THE CHANNEL WAS REMOVED. A REPAIR WAS FABRICATED AND INSTALLED IAW SRM 51-40-2, FIGURE 1 AND 51-30-2.