As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*ON R/H WING, AT AFT SPAR, AT APPROXIMATELY WS282R, MOUNT HARDWARE OF FLAP BPSU HAS CORROSION. (MARKED). (C CHECK RO 5/23/22) REMOVED AND INSTALLED NEW R/H WING FLAP BPSU MOUNT HARDWARE REF CRJ-900 SRM 51-41-02-001-001-A01 BPSU NOT ELECTRICALLY DISCONNECTED, NO FURTHER ACTION REQUIRED