What was found
***CORROSION*** ON SEAT TRACK @ 5 INCHES FWD OF FR22 TO 15 INCHES AFT OF FR22, LBL43, WL151.5. REMOVED AND REPLACED SEAT TRACK LBL43 FR 20 TO FR 30 IAW A220 ASRP BD500-A-J51-40-11-01AAA-652A-A, ASRP BD500-A-J51-42-21- 00AAA-078A-A AND DWG BOMBARDIER PL 02312600 REV E . (LP# 0900950)