What was found
FWD CARGO AFT BULKHEAD LOWER SUPPORT ANGLE HAS CORROSION FROM LBL8' TO RBL 8' BS 500D. / REMOVED CORROSION IAW B737 SRM 51-10-02-0G-0. ORIGINAL 'T' .071'; LOSS OF .008'; REMAINING 'T' OF .063'; FOUND TO BE OUT OF LIMITS IAW B737 SRM 53-00-53-1A-2. REMOVED DAMAGED RAIL ASSY. IAW B737 SRM 51-40-02-0G-0. VERIFIED NEW RAIL ASSY. AS P/N 143A9485Y35 PER BOEING ENG. DWG. NO. 143A9485 REV: B LOCATED AND DRILLED NEW RAIL ASSY. IAW B737 SRM 51-40-05-0G-0 AND BOEING ENG. DEWG. NO. 143A9485 REV:B. CONTERSANK HOLES IAW B737 SRM 51-40-08-0G-0. INSTALLED NEW RAIL ASSY. IAW BOEING. ENG. DWG. NO. 143A9485 REV: B AND B737 SRM 51-40-02-0G-0. A-TAG#WN5257