What was found
FORWARD CARGO PIT LOWER SILL WEB STA 440 - 492 RBL 24 - RBL 29 HAS CORROSION ON UPPER AND LOWER SURFACES / BLEND CORROSION ON FWD PIT SILL WEB IAW SRM 53-30-15-1A-1; ORIGINAL THICKNESS .045; .007 MAT'L LOSS WITH .038 REMAINING OUT OF LIMITS VERIFIED NEW SILL WEB IAW 143A8330 ATAG OW0067 P/N 654A0003-58 LOCATED AND DRILLED NEW WEB IAW SRM 51-40-05-06 & BOEING DWG 143A8330 INSTALLED NEW WEB FWD CARGO IAW BOEING DWG 143A8330