What was found
PRODUCTION REQUEST: SURFACE CORROSION FOUND ON R/H, I/B SEAT TRACK AT FR22, 3 INCHES FWD TO 3 INCHES AFT OF THE FRAME. REMOVED AND REPLACED NEW SEAT TRACK R/H I/B FR20 IAW A220-100 ASRP J51-42-00AAA-078A-A, J51-42-11-01AAA-652A-A. (LP# 0892387)