As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER REMOVAL INTERNAL PRODUCTION DOUBLER, CORROSION ON FUSELAGE INNER SKIN, BETWEEN FS= 295 TO FS= 310 AND STGR 26LH TO 26RH AT MAIN AVIONICS COMPARTMENT WAS FOUND CORROSION ON FUSELAGE INNER SKIN, BETWEEN FS= 295 TO FS= 310 AND STGR 26LH TO 26RH AT MAIN AVIONICS COMPARTMENT WAS EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-21-01-101-002-A04 AND WAS REPAIRED PER REO 690-53-21-2123 REV --