What was found
DURING INSPECTION FOUND PASSENGER CABIN , BS 570, LBL 45.54, AREA OF SEAT TRACK HAS CORROSION. MAINTENANCE REMOVED CORROSION FROM SEAT TRACK AT BS 570, LBL 45 AND WAS FOUND TO BE OUT OF LIMITS IAW SRM 53-00-52. REPLACED SEAT TRACK FROM BS 540-580 LBL 45 IAW SRM 53-00-52, REPAIR 4.