What was found
INSPECTION TYPE:C CENTER CARGO, STA 1841 BETWEEN RBL 4 & 22, FLOORBEAM WEB FWD FACE ATTACHED MID CHORD, CORROSION FOUND AT SEVERAL SPOTS. CORROSION ON FLOORBEAM WEB FACE MID CHORD REMOVED SRM 51-21-01VOL II R38. ORI THK 0.080" MATL REMOVED 0.060" (RBL 4"-10") MATL REMAINING 0.020" FOUND OUT OF LIMIT SRM 53-00-01 FIG 3 VOL I R38. NEW CHORD FAB BOEING DWG ACA7170RT USE MATL S2932021-7075T6511. CORRODED CHORD REMOVED & NEW CHORD INSTALLED AT STA 1841 FROM RBL 42" TO LBL 42" PER SRM 51-31-01 VOL II R39.