What was found
DURING NON ROUTINE CHECK, MAINTENANCE FOUND MAIN CABIN BETWEEN FR12 AND FR13 SEAT TRACK Y1292 HAS CORROSION. REMOVED AND REPLACED A NEW SEAT TRACK P/N D5311281300051 AND RE-INSTALLED CLIPS, BRACKETS & PAN AT FR12-FR13 Y1292 PER SRM 51-42-11 FIG 102.