As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R/H AILERON INBOARD PCU REQUIRES REPLACEMENT DUE TO CORROSION. SEE JOB 7118484, OP4, MX TRANS #21851631 (C-CHECK) RO 2/5/2021 REMOVED AND REPLACED R/H AILERON INBOARD PCU IAW CRJ-700 AMM 27-14-01-000-801-A01 AND 27-14-01-400-801-A01. OPS TEST GOOD. COMPLIED WITH TASK CARD 27-900-1002-SKY.