What was found
RH WING RIB CHANNEL IS PITTING CORROSION AT WS53.60 AND WHEEL WELL HYDRAULIC GUARD ACCESS PANEL AREA. ***AIRCRAFT REMOVED FROM SERVICE*** FOUND RIB CHANNEL CORROSION TO BE OUT OF LIMITS CREATING A HOLE THROUGH RIB CHANNEL THICKNESS OF 0.050Ï¿½. REMOVED AND REPLACED RH WING RIB CHANNEL P/N 601R10203-28 AT WS53.60 AND WHEEL WELL HYDRAULIC GUARD ACCESS PANEL AREA. RESTORED SURFACE FINISH. ALL WORK WITHIN LIMITS WAS PERFORMED IAW CRJ200 SRM 57-21-12, SRM 51-42-20, SRM 51-23-00 AND SRM 51-42-06 REV 38.