As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C CHECK, FOUND THE LT SIDEWALL SEAT TRACK SEGMENT FROM BS 363 TO 483 CORRODED IN SEVERAL AREAS. REMOVED LT SIDEWALL SEAT RAIL SEGMENT IAW AMM 53-00-49-00-810-A03, COMPLIED WITH EC/TC REO 670-53-00-343 AND GREO 670-53-00-343 REV M, AND INSTALLED NEW SEAT TRACK IAW AMM 53-00-49-400-801.