As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"IN REF TO NRC 00139. AFTER REMOVAL OF STRINGER 25RH IN STA. FS= 319.70TO FS= 333.00, SPLICE FOUND CORRODED AT MAIN AVIONICS COMPARTMENT. CORRECTIVE ACTION:EVALUATED,DUE TO EXCESSIVE DAMAGE ON SPLICE STRINGER 25RH IN STA. FS= 319.70 TO FS= 333.00 PER CRJ/900 SRM 53-21-03-101-006-A01 AND REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01 AND CRJ-900 SRM 51 42 21 001 001 A01."