As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH FLOOR TRANSITION STRIP HAS CORROSION SPOTS BETWEEN STA 727B THRU STA 807, IN THE AFT CARGO BAY. GROUNDED - YES. REMOVED CORROSION FROM AFT PIT L/H TRANSITION PANEL AND TRANSITION PANELWAS FOUND TO BE OUT OF LIMITS IAW B737-700 SRM53-00-53-1A-2. FABRICATED AND INSTALLED NEW L/H TRANSITION PANEL IAW B737-700 SRM 51-40-02-0G-0 W=8" O=.040" R=.025" L=3D=.015".