As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BACKUP SILL BETWEEN FS310.00 -319.00 STGR21L IS CORRODED. (C-CHECK) REMOVED AND REPLACED WITH NEW BACKUP SILL AT BS 310 - 319, STGR 21L IAW SRM 51-42-06-001-001-A01 AND DWG SH670-31810 REV AECOMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY.