What was found
RT WING LOWER PLANK ACCESS PANEL CUTOUT AT 650BB HAS CRACK INDICATION AT AFT INBOARD ARC APPROX. WS180.00, INDICATION MEASURES APPROX. 0.10. ***AIRCRAFT REMOVED FROM SERVICE*** PERFORMED BLEND AT CRACK INDICATION LOCATION ON R/H WING LOWER PLANK ACCESS PANEL 650 AB, HOLE 10, CUTOUT AT OUTBOARD ARC WS 180.00. HFEC INSPECTION ACCOMPLISHED WITH NO INDICATION. REMAINING THICKNESS OF 0.171 IS WITHIN LIMITS. ALL WORK PERFORMED REF BOMBARDIER REO 601R-57-21-030 REV L DATED 2014-02-05 AND AIR WISCONSIN EO6/021/454 REV D DATED 12/20/18