As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ACCOMPLISHED OR ROUTINE C-CHECK WORK CARD, FOUND CORROSION ON FLOOR WEB AT FS 137 LBL 20 BETWEEN CAPTAINS INBOARD AND OUTBOARD SEAT TRACKS. REMOVED CORROSION, FABRICATED DOUBLER PER SRM 53-04 FIGURE 4 AND INSTALLED PER SRM 51-30-8. (M)