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 170-67659-431)) FROM FR 23 TO FR34/43 HAS SPOTS OF GOUGES/CORROSION. CUT AND REMOVED SECTION OF LH INBD SEAT TRACK BETWEEN FR30-31 AND FABRICATED SPLICE DOUBLERS FOR SPLICE REPAIR AT FR30-34. RESTORED SURFACE PROTECTION TO NEW SPLICE SECTION AT FR 30-34 LH INBD SEAT TRACK, REF. SRM 51-23-06 CPM 51-25-00. ETD2019-170-107734. A/C REMAINS IN CHECK.