As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 0798635) MAIN CABIN FLOORBOARD SUPPORT AT L-4 DOOR STA 951 - 992 HAS AREAS OF CORROSION. RECEIVED NEW CHORD P/N 147A8540U7, LOCATED AND DRILLED AT MAIN CABIN L-4 DOOR INNER CHORD FROM STA 887 TO STA 1016 IAW B 737 SRM 51-40-05,INSTALLED NEW CHORD AT MAIN CABIN L-4 DOOR INNER CHORD FROM STA 887 TO STA 1016 IAW B737 SRM 51-40-02.