As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR SUPPORT AT LBL-50 BETWEEN STA 947 TO STA 967 CORRODED. GROUNDED - YES. BLENDED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-700 SRM 53-70-51-1A-1. REMOVED AND REPLACED SUPPORT IAW B737-700 SRM 51-40-02-0G-0.W= 1.00 O= .090 R= .079 L= 2.00 D= .011.