What was found
DURING ROUTINE C-3 CHECK INSPECTION, FOUND LEVEL 2 CORROSION FS-20-0 LOWER O/B END UNDER EXHAUST BOX ATTACH ANGLE SKIN CORRODED. REMOVED CORROSION IAW DC8 SRM 51-1-8, FOUND TO BE OUT OF LIMITS IAW DC8 SRM 53-2-0 FIG 1F. REMOVED DAMAGE AND FABRICATED REPAIR IAW DC8 SRM 53-2-1, FIG 7. INSTALLED IAW DC8 SRM 51-1-20D AND 51-1-21. NON-ROUTINE TASK CARD NUMBER 110500.