As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK MAINTENANCE FOUND LH INBD (FLOOR) SEAT TRACK (P/N 170-86081-005)) FROM FR59/74 TO 84 HAS SPOTS OF GOUGES/CORROSION. REMOVED AND REPLACED LH INBD SEAT TRACK FROM FR74 TO 84 REF SRM 51-40-08. RESTORED SURFACE PROTECTION ON LH INBD FR74 TO 84 SEAT TRACK, REF SRM 51-23-06. CPM 51-25-00. A/C REMAINS IN CHECK.