As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON MID CAP ANGLE ON STGR 18LH BTW FS 310.00 TO FS 349.00 AT PASSENGER DOOR FUSELAGE FRAME. MID CAP ANGLE ON STGR 18LH BTW FS 310.00 TO FS 349.00 AT PASSENGER DOOR FUSELAGE FRAME WAS EVALUATED (IS OUT LIMITS) PER CRJ900 SRM 53-21-23-101-001-A02 AND WAS REPLACED PER CRJ900 SRM 51-41-02-001-001-A01