As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STGR21L INTERCOSTAL BETWEEN FS310 AND FS319 IS CORRODED. (C-CHECK RO 9/28/2022) INSTALLED NEW SERVICABLE INTERCOSTAL PN:601R-31527-19 IAW CRJ-200 SRM 51-42-06 AND 51-42-21.COMPLETED SKYWEST MAJOR REPAIR SKY CARD 51-900-1003-SKY AND M-337 FORM ATTACHED. PART FOR PART REPLACEMENT NO WEIGHT CHANGE. REFERENCE CONTINUE CARD FOR WORK PERFORMED.