As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BACKUP SILL BETWEEN FS 310.00 TO 333.00 AND STGR 21L CORRODED. (FILED- OPEN) REMOVED AND REPLACED BACKUP SILL BETWEEN FS 310.00 TO 333.00 AND STR 21L WITH REFERENCE TO SRM 51-42-06. COMPLIED WITH TASK CARD 51-900-1002-SKY. COMPLETED M-337.