What was found
**CORROSION*** ON SEAT TRACK AFT END AT FR74, RBL23, WL151 ( CORROSION SSI: 53-61-43-01). REMOVED AND REPLACED SEAT TRACK FROM FR 64 TO FR 71 RBL 23 WL 151 IAW A220 ASRP BD500-A-J51-42-21-00AAA-078A-A AND DWG PL C01342701 REV-G. (LP# 0971647)