As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND TO BE ON MATING SURFACE OF STR23L BETWEEN FS 379 AND 409. REQUIRES SRM REPAIR. (C-CHECK RO 4/25/2021) REMOVED AND INSTALLED NEW STR 23L FROM FS 370 TO 409, IAW CRJ 200 SRM 53-00-03 DATED MAY 10/2015, AND ATTACHED SKYCARD 51-900-1003-SKY (CL600-2B19) COMPLETED AND ATTACHED FORMS 337 AND SDR. NO WEIGHT CHANGE NOTED