As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
" CORROSION ON JACK FITTING SUPPORT RH BTW FS 265.00 AND FS 280.00 AT MAIN AVIONICS COMPARTMENT. CORROSION ON JACK FITTING SUPPORT RH BTW FS 265.00 AND FS 280.00 AT MAIN AVIONICS COMPARTMENT WAS FOUND OUT OF LIMITS PER CRJ900 SRM 53-00-00-101-001-A01 THEREFORE WAS REPLACED PER CRJ900 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01 "