What was found
* L/H WING AILERON PCU BAY, INBOARD AND OUTBOARD PANNELL ATTACH FLANGES HAVE CORROSION AROUND 15 EA. FASTENER HOLES. (C-CHECK RO 3/14/2022) REMOVED CORROSION FROM LH WING PCU BAY INBD AND OTBD PANEL ATTACH FLANGES REF CRJ200 SRM 51-21-06. NDT IS DEFECT FREE. RECEIVED AND COMPLIED WITH ALL STEPS OF REO 601R-57-21-3577 REV-- DATED 2022-03-06. SEE CONTINUE CARD FOR DETAILS. / C/W TASKCARD 51-900-1003-SKY