As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND GALLY SERVICE DOOR LWR SEAL STRIKER TO BE CORRODED AROUND FASTENER HOLES. REPLACED SERVICE DOOR SEAL STRIKER WITH PN SH67031412-S0701 IAW MHIRJ SNIEOS SH670-31412-S07 AND SH670-31950-S21. INSTALLED NEW SERVICEABLE FABRICATED SERVICE DOOR LWR SEAL STRIKER IAW CRJ900 SRM 51-42-06-001-001-A01.