As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON INTERNAL PRODUCTION DOUBLER IN STA. FS= 295 TO FS= 310 BTWN STGR 26LH TO 26RH AT MAIN AVIONICS COMPARTMENT. (E/E) INTERNAL PRODUCTION DOUBLER IN STA. FS= 295 TO FS= 310 BTWN STGR 26LH TO 26RH AT MAIN AVIONICS COMPARTMEN WAS EVALUATED OUT OF LIMITS PER CRJ-900 SRM 53-00-00-101-001-A01, REPLACED PER CRJ 900 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01.