What was found
DURING ZONAL INSPECTIONS OF THE LT WING IAW UAL TC 31-5721-1-2724, EXTENSIVE CORROSION DAMAGE WAS NOTED ON THE LT WING TOP SKIN PANEL NR 2 TRAILING EDGE OVERHANG AT RIBS 11-16. DAMAGE CONSISTS OF EXFOLIATION BEYOND SRM ALLOWABLE DAMAGE LIMITS. PERFORMED INTERIM REPAIR IAW ECRA 5721-01532. ACCOMPLISH A PERMANENT REPAIR ON THE LT WING TO LT UPPER SKIN BTWN RIBS 11-16 IAW PART 3 OF THE LATEST REVISION OF ECRA 5721-01532 ON OR BEFORE 03-FEB-27. ECRA 5721-01532 WAS CREATE FOR AS AN INTERIM SOLUTION FOR CORROSION ON THE LH WING TRAILING EDGE OVERHANG (TEOH) TOP SKIN PANEL 2 BETWEEN RIBS 11-16 MAJOR REPAIR.