As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
C4 CHECK - DURING INSP FOUND CORROSION ON LT FLOOR SEAT TRACK AT FS 485-597.00. BLENDED CORROSION IAW REO 670-53-00-013 FOUND TO BE OUT OF LIMITS OF DIMENSION "W" CORROSION IS .035" DEEP ONLY .020" ALLOWED. REMOVED SEAT TRACK IAW AMM 53-00-49-OO0-801-A03. INSTALLED NEW SEAT TRACK IAW AMM 53-00-49-400-801-A03.