As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AWRT; HIDDEN CORROSION: [ DURING REPAIR RELATED WITH NRC 00249 ]: CORROSION ON RH CLIP IN STA. FS= 277 TO FS= 280 AND 11RBL IN COCKPIT DOOR CUT-OUT AREA AT PAX CABIN FWD WET AREA. (W1) (CPAX) [ TASK R53520 STEP 7 ]
CORROSION LEVEL 2. RH CLIP IN STA. FS= 277 TO FS= 280 AND 11RBL IN COCKPIT DOOR CUT-OUT AREA AT PAX CABIN FWD WET AREA WAS REPLACED PER CRJ/ 900 SRM 53-11-10-201-006-A01