What was found
AT C-CHECK, CHECKED FOR SRM CONFORMITY ON SKIN REPAIR AT STR 19 LT BETWEEN BS 639 AND 648. REMOVED FASTENERS AND STRAP, CUT OUT DAMAGED AREA AT UPPER SKIN AND LOWER SKIN. ACCOMPLISHED HFEC AT AT CUT OUT AREA. INSTALLED INTERNAL DOUBLER PER SRM 53-30-3. DOUBLER 14 BY 8, FILLER 4.75 BY 2.75 AND 2.5 BY 1.75.