As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERCOSTAL STGR 20R BETWEEN FS 319 TO FS 333 IS CORRODED, MARKED. C-CHECK RO 1/17/2021. REMOVED AND INSTALLED NEW INTERCOSTAL P/N SH670-32004-3, REF CRJ700 SRM 51-42-06-001-001-A01 AND CRJ700 SRM 51-42-21-001-001-A01 AND DRAWING SH670-31950 REV Y. COMPLIED WITH SKY CARD 51-900-1002-SKY. SEE CONTINUATION CARD FOR DETAILS. LEAK CHECK GOOD.