What was found
DURING HEAVY MAINTENANCE, FOUND CORROSION ON THE FALSE SPAR BOX RIB 5 BOTTOM SKIN PANEL NR 3 ON THE UPPER SURFACE OF THE LT WING. ACCOMPLISHED A REPAIR IAW EA 57-0566-22, REV 0, AND RDAF 81134023-003-2022- A, & EC A22-944-01. MAJOR REPAIR.