As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"AWR; [ TASK R53520 STEP 7 ]: CORROSION ON MID CAP ANGLE [ JUMPER/PROX-SENSOR/CONNECTOR-WIRING ANGLE ] IN STA. FS= 310 TO FS= 349 AND 41LBL AT MAIN ENTRANCE DOOR LOWER SILL, FWD WET AREA. (W1) (CPAX) "SUMMARY OF NRC: 00315 ANGLE MID CAP WAS REPLACED PER CRJ-900 SRM 51-41-02-001-001-A01