What was found
DURING C-CHECK, CORROSION ON BS 344 FLOORBEAM UPPER CHORD AROUND NUT PLATES ATTACHING 9G BULKHEAD TO FLOORBEAM, LBL 50 - RBL 50, WL 208, AS VIEWED FROM NWW DOGHOUSE AREA. REMOVED 9G BULKHEAD, AND SHEAR WEB FOR ACCESS IAW B727 SRM 51-30-2 AND MM 53-20-11, REMOVED DAMAGED UPPER CHORD BS 344 AND FABED NEW FROM BAC1505-29222 PO 3348139 DIM 11.75 FT LONG IAW 727 SRM 51-20-1 & 53-10-2 FIG 7. NEW CHORD TREATED AND PRIMED IAW 727 SRM 51-10-2 AND INSTALLED IAW SRM 51-30-2. REINSTALLED SHEAR WEB, FLOORBOARDS AND 9G BULKHEAD IAW 727 SRM 51-30-2 & MM 53-20-11.