What was found
MAIN CABIN LAV SUPPORT INTERCOSTAL STA 947-967 LBL 25 CORRODED ON UPPER SURFACE REMOVED AND EVALUATED CORROSION AND FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-70-51. REMOVED AND REPLACED FLOOR SUPPORT IAW B737-800 SRM 51-40-02 SRM 53-70-51, BOEING DWG NO. 147A5650 REV:C BOEING DWG NO. 147A5660 REV:G ESFR COMPLETE REMOVED AND EVALUATED CORROSION AND FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-70-51. REMOVED AND REPLACED FLOOR SUPPORT IAW B737-800 SRM 51-40-02 SRM 53-70-51, BOEING DWG NO. 147A3650 REV:C BOEING DWG NO. 147A5660 REV:G.