What was found
R/H EXTERNAL SKIN HAS 5 EACH GOUGES BENEATH APU EXHAUST SHIELD AT FS 640+12 TO FS 672+6 & S15R. EVALUATED DAMAGE AND FOUND NOT WITHIN ALLOWABLE LIMITS IAW CRJ200 53-00-31 REV 39. *********AIRCRAFT REMOVED FROM SERVICE*************************** BLENDED DAMAGE TO A SMOOTH CONTOUR AT 5 EACH AREAS WITH DIMENSIONS: (P1) 0.900"L X 0.700"W X 0.013"D; (P2) 0.500"L X 0.500"W X 0.016"D; (P3) 1.100"L X 1.00"W X 0.011"D; (P4) 1.600"L X 1.200"W X 0.015"D; (P5) 1.100"L X 1.00"W X 0.012"D IAW ASAP EA AWAC-CRJ253-01874 REV IR DATED 08/18/2022. HFEC INSPECTION ACCOMPLISHED AT BLEND AREAS WITH NO INDICATIONS IAW CRJ200 NDT MANUAL PART 1 51-20-06 REV 43. RESTORED PROTECTIVE/DECORATIVE FINISH AT BLEND AREAS IAW CRJ200 SRM51-25-01 REV 39. ALL WORK PERFORMED WITHIN ALLOWABLE LIMITS IAW ASAP EA #AWAC -CRJ253-01874 REV IR DATED 08/18/2022. WORK COMPLETED ON AERSALE WO #003697 CARD #20134 CARD ID #1699328 AT AERSALE CRS #4AER685B. N457AW TT: 39,910:44 TC: 39,007