As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
* FOUND SURFACE COROSSION ON THE LOWER SKIN PANEL OF THE LH AILERON(AREA MARKED) (C-CHECK RO 4/25/2021) REPLACED CORRODED LH AILERON LOWER SKIN PANEL (CENTER LOWER FIXED SKIN PANEL WITH A NEW PANEL P/N 601R13031-147S REF CRJ-200 SRM 51-42-06 AND DWG # 601R13031 REV K SEE CONTINUATION CARD FOR DETAILS, COMPLIED WITH SKY CARD 51-900-1003