As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*BACK-UP SILL (INTERCOSTAL) BELOW THE PAX DOOR HAS CORROSION ON STGR21L BETWEEN FS333 AND FS349. (C-CHECK) RO 3/25/2021 REMOVED AND REPLACED BACK-UP SILL (INTERCOSTAL) BELOW THE PAX DOOR ON STGR21L BETWEEN FS333 AND FS349.REF: DWG SH670-31810 REV-W AND CRJ700 SRM 51-42-06-001-001-A01. COMPLIED WITH 51-900-1002-SKY