What was found
DURING ROUTINE CPCP INSPECTION, FOUND FS2240 RBL75 FLOORBEAM T CHORD HAS CORROSION. REMOVED CORROSION IAW B747 SRM 51-10-01. FOUND TO BE OUT OF LIMITS IAW B747 SRM 53-10-01. FABRICATED REPAIR DOUBLERS IAW B747 SRM 51-40-4 FIG 12 AND AIA EDR B4-05887. INSTALLED REPAIR IAW B747 SRM 51-40-4 FIG 1 AND AIA EDR B4-05887. CORROSION TASK CARD NUMBER C53-210-07. NON-ROUTINE TASK CARD NUMBER 25751.