What was found
AFT CABIN, LH I/B SEAT TRACK, AFT MOST TRACK, HAS EVIDENCE OF CORROSION. REMOVED CORROSION ON AFT CABIN L/H I/B SEAT TRACK, AREA FOUND OUT OF LIMITS IAW A220 ASRP J51-21-06, J53-61-49. REMOVED AND REPLACED L/H I/B SEAT TRACK IAW A220 ASRP J51-42-20. (LP# 1167047)