As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SERVICE DOOR LOWER SEAL STRIKER IS CORRODED. (C-CHECK) REMOVED AND REPLACED SERVICE DOOR LOWER NEW SEAL STRIKER P/N: SH670-31412-7 REF CRJ900 SRM 51-42-06-001-001-A01 AND DWG SH670-31950 REV: Y. COMPLIED WITH TASK CARD 51-900-1002-SKY. SERVICE DOOR LEAK CHECK GOOD.