As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*LH WING OUTBD FLAP INBD AND OUTBD BUTE DOOR SPRINGS CORRODED (C-CHECK) RO 3/4/2021 REMOVED AND REPLACED THE LH WING OTBD FLAP, INBD AND OTBD BUTE DOOR SPRING WITH NEW. REF: CRJ 900 AMM 27-54-25-000-801 (A01) & CRJ 900 AMM 27-54-25-400-801 (A01) / COMPLIED WITH OPS TEST OF FLAPS, OPS TEST GOOD AT THIS TIME. REF: CRJ 900 AMM 27-50-00-710-801 (A02)