As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON STGR 26R BTW FS333.00 TO FS364.00 AT MAIN AVIONICS COMPARTMENT. CORROSION ON STGR 26R BTW FS333.00 TO FS364.00 AT MAIN AVIONICS COMPARTMENT WAS EVALUATED EXCESIVE DAMAGE PER CRJ/900 SRM 53-21-03-101-006-A04 AND REPLACED PER CRJ-900 SRM-51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01.