As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION WAS FOUND AFTER REMOVAL PLATE SUPPORT RH /LH ON FITTING FLAP LT AND RT. PLATE SUPPORT RH / LH ON FITTING FLAP LH AND RH. WERE REPLACED PER CRJ900 SRM 51-42-21-001-001-A01, CRJ 900 SRM 51-40-11-001-001-A01 AND AMM 53-82-82-400-804 (CONFIG A03).