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 STRINGER 21 LEFT CORRODED AFT OF FRAME 41. MAINTENANCE REMOVED THE DAMAGED SECTION OF THE STRINGER AND INSTALLED A REPAIR SPLICE IN REFERENCE TO ATR-42 SRM 53-00-00 AND 51-21-28. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)