What was found
UPPER SURFACE OF FUSELAGE HAS DENT AT FS 596.00, STGR 3R AND STGR 4R. AIRCRAFT REMOVED FROM SERVICE. EVALUATED DENT AT FS 596.00, STGR 3R AND STGR 4R, 1.7 L X 1.6 W X 0.057 D, FOUND TO BE OUT OF LIMITS FOR SHARP CREASES. IAW CRJ200 SRM 53-00-31, (REV 38). ALLOWABLE DAMAGE FIG 103 SHEET 4 DEPTH GAUGE S/N: 2151 CAL DUE: 10-21-2021. CUT OUT DAMAGED AREA 15.0 L X 4.2 W, REF CRJ200 DTM 53-00-31. PERFORMED HFEC INSPECTION ON CUT-OUT AREA ON UPPER FUSELAGE AT FS 596.00, STGR 1R TO STGR 2R, REF CRJ200 SRM 53-00-31 AND CRJ200 PART (1) NDTM 51-20-06, (REV 42). NO INDICATION NOTED. ET TESTER S/N :60007150515 CAL DUE: 10-09-2021. FABRICATED, DRILLED, AND COUNTERSUNK REPAIR DOUBLER, 0.063 L X 9.500 W, REF CRJ200 SRM 53-00-31 FIG.201, REPAIR NR 1, (REV 38). APPLIED PROTECTIVE FINISH TO REPAIR DOUBLER AND REPAIR AREA, REF CRJ200 SRM 51-25-01, (REV 38). INSTALLED REPAIR DOUBLER AT FS 589.00 TO FS 596, STGR 3R TO STGR 4R, REF CRJ200 SRM 53-00-31 FIG.201, REPAIR NR 1, (REV 38). APPLIED PROTECTIVE FINISH ON REPAIR DOUBLER, REF CRJ200 SRM 53-00-31 FIG 201, REPAIR NR 1, (REV 38).