As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY CHECK FOUND CORROSION ON RH INBD SEAT TRACK APPROX. 12" AFT OF FR80 AND AT FR82 AS MARKED CUT OUT CORRODED SECTION OF SEAT TRACK REF EMB SRM 53-00-10/REPAIR 01, PERFORMED SPLICE PART REF ETD2020-170-001770 ON SEAT TRACK PN: 170-86082-005.