What was found
DURING A MAINTENANCE VISIT FOUND CORROSION, HORIZONTAL STAB, CENTER SECTION, UPPER CENTER PLANK, UPPER SURFACE AT BL -30 RIGHT. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED PLANK IAW DC8 SB 55-15. (CORROSION DAMAGE RECORDED IN EWA CORROSION PROGRAM).