As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - DURING C-CHECK INSPECTION, FOUND LEFT WING INBOARD LOWER SKIN CRACKED ON INBOARD FORWARD SIDE OF ACCESS 521AB. MAINTENANCE STOP DRILLED THE CRACK AND INSTALLED A REPAIR DOUBLER IAW EMB-120 SRM 57-20-01. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)