What was found
DURING C-CHECK, FOUND REPAIR THAT DOES NOT MEET FUSELAGE PLATING REPAIR CRITERIA CLASS I, CLASS II, OR CLASS III AT FS 221 BETWEEN LONGERON 17LT AND CUSP. FABRICATED REPAIR, DRILLED, TREATED, PRIMED AND INSTALLED IAW ACM SKETCH 97840 REV A AND DAC ROD 97-11-17-ON.