What was found
JFK - DURING CHECK C-9B, FOUND FUSELAGE SKIN, AFT BULKHEAD SKIN, CRACKED AT OUTBOARD NR 7 STIFFENER, STA 1363, AND FOUND A 1.50 INCH CRACK AT OUTBOARD END OF NR 9 STIFFENER. STOP DRILLED CRACKS AND REPAIRED WITH DOUBLER PER SRM 53-11-00, FIGURE 850. AIRCRAFT TOTAL TIME: 60,716 HOURS; 22,699 CYCLES.