As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INITIAL INSPECTION. CORROSION ON STRINGER SPLICE 22LH IN STA. FS= 329 TO FS= 339 AT MAIN AVIONICS COMPARTMENT. (E/E)(TCI:53-20-304). SUMMARY CORROSION LEVEL 2: STRINGER SPLICE 22LH IN STA. FS= 329 TO FS=339 WAS REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01 PAR 6C AND SRM 51-42-20-001-001-A01 PAR 6C.