As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY MAINTENANCE PERFORMING INSPECTIONS IT WAS NOTED THAT STRINGER 26L STATION 680 +12 HAS CORROSION. CORROSION FOUND TO BE OUT OF LIMITS, CUT OUT DAMAGED AREA APPROX DIM 23.25" FABRICATED STRINGER REPAIR FROM BAC 1498-143 7075 T62 DIM 23.25", BAC 1498-132 7075T6 DIM 13.25". INSTALLED REPAIR, NO OTHER DEFECTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE.