What was found
* THE RH SEAT TRACK AT RBL 9.00 FROM FS349.00 T0 FS477.00 HAS MULTIPLE LOCATIONS OF CORROSION. (MARKED) (C-CHECK) RO 5/10/2020 INSTALLED NEW R/H SEAT TRACK AT RBL 9.00, FS349.00 - FS477.00, REF: CRJ 900, AMM. TOOL USED: TUC7824, DUE DATE: 31-MAY-20. HARDWARE USED: FITTING ASSY=3, BOLTS=12