What was found
DURING CPCP INSPECTION FOUND LEVEL 2 CORROSION, FS 2330 LBL15 LAV DRAIN TUBE ATTACH ANGLE UNDERSIDE CORRODED. REMOVED CORROSION IAW B747 SRM 51-10-01. FOUND TO BE OUT OF LIMITS IAW B747 SRM 53-10-01. REMOVED AND REPLACED ANGLE IAW B747 SRM 51-10-01. CORROSION TASK CARD NUMBER C53-210-01 PART 4 OF 8. NON-ROUTINE TASK CARD NUMBER 12797.