What was found
EXTERNAL FUSELAGE SKIN HAS CORROSION AROUND SEVERAL FASTENER HEADS BETWEEN FS 559+96 AND FS 559+112, STR 27. REMOVED FASTENERS FROM SKIN BETWEEN FS 559+96 TO FS 559+112 STR 27 PER SRM 51-42-06. REMOVED CORROSION PER CRJ 200 SRM 53-00-31 FIG 103. REMOVED APPROX 0.003"" OF MATERIAL FROM OUTER SURFACE OF SKIN FS 559+96 TO FS 559+112 STR 27. THIS EQUALS APPROX 5 PERCENT OF TOTAL SKIN THICKNESS. BLENDOUT IS WITHIN ALLOWABLE LIMITS PER SRM 53-00-31 FIG 103 (SHEET 3). TREATED, PRIMED, AND PAINTED. INSTALLED SERVICEABLE FASTENERS AT F.S. 559+112 STR 27 IAW SRM 51-25-01 AND 51-42-06.