As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON LOWER SKIN BTW WS405 TO WS413 APPROX AT LH WING. CORROSION ON LOWER SKIN BTW WS405 TO WS413 APPROX AT LH WING WAS REMOVED PER CRJ900 SRM 51-21-06-001-001-A01, EVALUATED OUT LIMITS PER CRJ900 SRM 57-00-01-101-001-A03 AND REPLACED PER CRJ-900 SRM 51-42-21-001-001-A01