As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR BEAM 947 CORROSION AT RBL 49. GROUNDED - YES. REMOVED & REPLACED T CAP AT EXISTING REPAIR STA 947 RBL 4 TO RBL 59 & REPAIRED T CAP STA 947 RBL 4 TO LBL 38 IAW BOEING 737-700 SRM 53-40-51-2R-5W=1" O=.180" R=.126" L=2" D=.054"W=1" O=.180" R=.131" L=1" D=.049".