As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*MULTIPLE AREAS OF CORROSION ON FLOOR SEAT TRACK RBL9 BETWEEN FS 581.00 €“ 485.00. AREAS MARKED. (C-CHECK RO 5/25/2021) REMOVED AND REPLACED 1 EA NEW SEAT TRACK PN SH690-33407-1 BETWEEN FS 485.00 TO 581.00 RBL9 PER CRJ 900 AMM 53-00-49-400-801 (CONFIG A07) TOOL USED C-ID : TUC6038 CAL : 18-MAY-20 DUE : 31-MAY-21.