As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
1ST FWD AND 2ND FWD ALTERNATIVE RADIO ALTIMETER ANTENNA AIRCRAFT SIDE BASE PLATES ARE CORRODED. REMOVED BOTH RAD-ALT ANTENNA BASES E18 AND E19 IAW CRJ-900 SRM 51-42-06-001-001-A01. INSTALLED 2EA RAD-ALT ANTENNA BASE PLATES IAW CRJ-900 SRM 51-42-06-001-001-A01.