As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT DOWN FOR C-CHECK. CORROSION FOUND AT LT INBD SEAT TRACK BETWEEN FS 70.5 - 428.5. BLENDED AREAS OF CORROSION. MAX BLEND DEPTH OF .008. MAX LENGTH X WIDTH 8"X.5". REMAINING MATERIAL OF .412. WORK DONE IAW R/D 8/4-53-884. BLENDS FOUND WITHIN LIMITS. PERFORMED FPI IAW CH 8, NO DEFECTS NOTED. TREATED IAW RD 8/4-55-884.