What was found
AFT FUSELAGE EXTERNAL SKIN AT APPROXIMATEY FS 985.0 STGR 27 HAS 3 CHAFED AREAS, MARKED. C-CHECK RO 10/22/2020. BLENDED 3 CHAFED AREAS AFT FUSELAGE EXTERNAL SKIN AT APPROXIMATELY FS 985.0 STGR 27, REF REO. AREAS NR 1 & NR 2 ORIGINAL THICKNESS .118, NR 1 MATERIAL REMOVED .016, REMAINING .102. NR 2 MATERIAL REMOVED .025 REMAINING .083, WITHIN LIMITS. NR 3 ORIGINAL THICKNESS .110, REMOVED .046 REMAINING .064 OUT OF LIMITS. PERFORMED REPAIR, REF REO AND CRJ 700 SRM. NO LEAKS NOTED.