What was found
VISUAL INSPECTION REVEALS 1.5 INCH LONG CRACK ON LEFT WING STRINGER NR 17 AT WING STA 299.5 WHICH WAS DISCOVERED DURING SCHEDULED MAINTENANCE OPERATIONAL CHECK NR 5. MANUFACTURED AND INSTALLED EXTERNAL DOUBLER AND TRIPLER IAW DRAWING NAC2005-25, REV 1R, DATED 22 OCTOBER 2005 PROVIDED BY (STRUCTURES) DER DERT-510232-CE, AND FAA FORM 8110-3, DATED 22 OCTOBER 2005.