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 RH POST IN STA. FS= 277 TO FS= 280 AND 11RBL IN COCKPIT DOOR CUT-OUT AREA AT PAX CABIN FWD WET AREA. (W1) (CPAX) "SUMMARY: ON NRC. 00297 CORROSION LEVEL 2, ON RH POST IN STA. FS= 277TO FS= 280 AND 11RBL IN COCKPIT WAS REPAIRED PER CRJ-900 SRM 53-11-10-201-006-A01