As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SERVICE DOOR INTERCOSTAL IS CORRODED BETWEEN F.S. 349 TO F.S. 364 STGR 20R. LOCATED AND DRILLED NEW INTERCOSTAL P/N SH670-31994-1 IAW CRJ 900 SRM 51-40-11-001-001-A01.INSTALLED NEW INTERCOSTAL P/N SH670-31994-1 AT STRG 20R BETWEEN FS 349 TO FS 364 IAW CRJ 900 SRM 51-42-06-001-001-A01