As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AWR: CORROSION ON MID CAP ANGLE [ JUMPER/PROX-SENSOR/CONNECTOR-WIRING ANGLE ] IN STA. FS= 310 TO FS= 349 AT MAIN ENTRANCE DOOR LOWER SILL, FWD WET AREA. (W1) (CPAX) SUMMARY:CORROSION IN THE MID CAP ANGLE EXCEEDS MORE THAN 10 PERCENT DEPTH, ACCORDING TO THE LIMITS OF PERMITTED DAMAGE. THEREFORE THE ANGLE WAS REPLACED PER CRJ-900 SRM 51-41-02-001-001-A01.