What was found
SUPPORT TASK- FLOOR BEAM 947 UNDER LAV MOUNTS 45 L/H AND 45 R/H HAS CORROSION ON UPPER SECTION. CORROSION FOUND UNDER LAV HARD MOUNT AT STA 947.50 LBL AND RBL 51. MATERIAL LOSS MEASURED 100% FOUND TO BE OUT OF LIMITS. REMOVED PREVIOUS T-CAP REPAIR AT STA 947.50 BETWEEN RBL 34 AND 45 IAW B737-800 SRM 53-70-51-2R-5 SECTION 47 REPAIR 5. FABBED REPAIR PARTS IAW SRM 53-70-51-2R-5 PARA 4(F). REMOVED AND REPLACED FLOOR SUPPORTS AT STA 947.5 LBL AND RBL 51 IAW B737-800 SRM 53-70-51-2R-5. REMOVED AND REPLACED LAV MOUNTS AT STA 947.5, LBL AND RBL 51 IAW B737-800 SRM 53-70-51-2R-5. FABBED -5 CLIPS AT 947.5 LBL AND RBL 24 IAW B737-800 SRM 57-70-51-2R-5. INSTALLED REPAIR IAW B737-800 SRM 53-70-51-2R-5.