As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GALLEY SERVICE DOOR LWR SILL STRIKER HAS CORROSION AROUND SCREW HOLES, ALONG WITH CORROSION JUST AFT OF AFT FITTING ON SILL-MIGRATING UNDER FITTING REMOVED AND INSTALLED NEW SEAL STRIKER PN SH670-31412-7 IAW CRJ900 SRM 51-42-06-001-001-A01 AND 51-42-21-001-001-A01