What was found
AFT CABIN FLOOR AFT FLOOR WEB STA 1016 TO AFT PRESS BLKHD LBL33 HAS CORROSION. GROUNDED - YES. REMOVED CORROSION ON THE LEFT-HAND AFT GALLEY WEB AT BS 1016,LBL33, ORIGINAL THICKNESS 0.040,REMOVED 0.006,REMAINING THICKNESS 0.034,FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1. REMOVED CORRODED AFT GALLEY WEB AND REPLACED WITH NEW LEFT-HAND AFT GALLEY WEB,PART #147A5712-51 IAW B737-800 SRM 51-40-02 AND BOEING DRAWINGS 147A5700 REV B SHEETS 98,99 AND 100 AND BOEING DRAWING 147A5700 REV - SHEET 52. DOT F501 REMOVED.