What was found
RT WING LOWER PLANK ACCESS PANEL CUTOUT AT 650AB HAS CRACK INDICATION AT OUTBOARD ARC APPROX. WS173.00, INDICATION MEASURES APPROX. 0.10. (INITIATES AWAC EO6/021/457) ***AIRCRAFT REMOVED FROM SERVICE*** PERFORMED BLEND AT CRACK INDICATION LOCATION ON R/H WING LOWER PLANK ACCESS PANEL 650 AB, HOLE 9, CUTOUT AT OUTBOARD ARC WS 173.00. HFEC INSPECTION ACCOMPLISHED WITH NO INDICATION. REMAINING THICKNESS OF 0.151 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.