As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FRAME FS 379.00 BTW STGR 20RH TO 21 RH CORROSION ON FRAME FS 379.00 BTW STGR 20RH TO 21 RH WAS EVALUATED OUT OF LIMITS PER CRJ-900 SRM 53-21-06-101-006-A02 AND REPLACED PER CRJ-900 SRM 51-42-21-001-001-A01 AND SRM 51-42-06-001-001-A01, SNIEO S18