As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C1, LT WING LWR L/E SKIN AT EXTERNAL DOUBLER ABOVE THE NR 2 PYLON WERE CRACKED. REMOVED CRACKED EXTERNAL DOUBLER, NDT VERIFIED SKIN CRACK WAS TERMINATED BY THE EXISTING STOP DRILL. FABRICATED AND INSTALLED INTERNAL AND EXTERNAL DOUBLERS IAW SRM 57-2-1A FIG 1.