As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND CORROSION ON THE LH AILERON INBD PCU AT LINK ATTACHMENT POINT (C-CHECK RO 10/4/2021) REMOVED AND REPLACED WITH A NEW PART THE LH INBOARD PCU ASSEMBLY. IAW CRJ200 AMM 27-14-01-000-801 AND THE CRJ200 AMM 27-14-01-400-801 SEE CONTINUE CARD FOR FURTHER DETAILS. COMPLIED WITH TASK CARD 27-900-1002-SKY