As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN AVIONICS BAY STR 21L BACK-UP SILL CORRODED BETWEEN FS319.70 AND FS333.00 (C-CHECK RO 7/8/2022) REMOVED AND INSTALLED NEW STR 21L BACK-UP SILL BETWEEN FS319.70 AND FS333.00 IAW CRJ700 SRM 51-42-06-001-001-A01, CRJ700 SRM 51-42-21-001-001-A01 AND DWG: SH670-31810 REV AE. COMPLIED WITH SKYWEST TASKCARD 51-900-1002-SKY. PRESSURE CHECKS GOOD