As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT GROUNDED FOR HEAVY MAINTENANCE. STRINGER CORRODED UNDER SPLICE PLATE BETWEEN STATION 1285 AND 1307 STRINGER 34L. BLENDED MATERIAL WITH 100% MATERIAL LOSS AND IS OUT LIMITS IN ACCORDANCE WITH SRM 53-00-03 DETAIL II. REPLACED CORRODED SECTION AND REPAIRED IN ACCORDANCE WITH SRM 53-00-03.