As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON STRINGER AND STRINGER SPLICE 25R BTW FS319.70 TO FS333.00 AT MAIN AVIONICS COMPARTMENT. STRINGER AND STRINGER SPLICE 25R BTW FS319.70 TO FS333.00 AT MAIN AVIONICS COMPARTMENT WERE EVALUATED OUT OF LIMITS PER CRJ-900 SRM 53-21-03-101-002-A04 AND REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01.