As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GALLEY SREVICE DOOR INTERCOSTAL IS CORRODED IS CORRODED BETWEEN F.S. 319 TO F.S. 333 AT STGR 20R. INSTALLED NEW SERVICE DOOR INTERCOSTAL P/N SH670-32047-1 BETWEEN FS 310 TO FS 319 AT STGR 20R IAW CRJ 900 SRM 51-42-06-001-001-A01 AND 51-42-21-001-001-A01.