What was found
LH WINGLET LOWER STRAP PN 600-15108 HAS SEVERAL TOOL MARKS. ***AIRCRAFT REMOVED FROM SERVICE*** BLENDED DAMAGE TO A SMOOTH CONTOUR TO LH WINGLET LOWER STRAP PN 600-15108, REF CRJ200 SRM 57-31-31 REV 38, PG5, FIGURE 1, SHT 1, ITEM 6, MATERIAL 0.071Ï¿½ CLAD 2024-T3. PERFORMED HFEC WITH NO INDICATIONS. RESTORED PROTECTIVE FINISH. ALL WORK WITHIN LIMITS WAS PERFORMED IAW ASAP EA # AWAC-CRJ257-01725 REV IR DATED 11/10/2021. WORK PERFORMED UNDER AERSALE WORK ORDER 003472, CARD NO. 20227, TT: 46934 TC: 45528.