As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION MAIN DECK CABIN SEAT TRACK AT BS 980 AND LBL 33 FOUND WITH SURFACE CORROSION. MAINTENANCE REMOVED AND REPLACED MAIN DECK CABIN SEAT TRACK AT BS 980 AND LBL 33 INTERCOSTAL P/N: 140U5280-10 AS PER B747-400 SRM 51-40-02.