As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION OF KEEL BEAM TRUSS WEB UNDER PANEL 192F AT STA 650 AND BL 0, MEASURING L=3.0 IN, W=0.6 IN, D=0.019 IN. ACCOMPLISHED PERMANENT REINFORCING DOUBLER REPAIR IAW EA 327425 AND B737 NG SRM 51-10-02 AND 51-40-02.