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) 1ST CLASS SEAT TRACK (P/N 170-67307-001) FROM FR 20 TO FR30 HAS SPOTS OF GOUGES/CORROSION. REMOVED AND REPLACED LH INBD (FLOOR) 1ST CLASS SEAT TRACK FROM FR 20 TO FR30 PER SRM 51-40-08. RESTORED SURFACE PROTECTION TO LH INBD 1ST CLASS SEAT TRACK REF: SRM 51-23-06, CPM 51-25-00. A/C REMAINS IN CHECK.