As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SIDE SEAT RAILS AT STRINGER 15L IS CORRODED AT MULTIPLE LOCATIONS, BETWEEN FS 669.40 - 942. CONTINUATION CARD 81517411 OP 169. REMOVED, FABRICATED & INSTALLED NEW SEAT RAILS FROM FS 669.40 - 908.00 IAW REO 670-53-00-343 & AMM 53-00-49-400-801. NO CORROSION WAS FOUND. SEE JC 81517411 OP 127 STEPS 1 - 6 FOR WORK PERFORMED.