What was found
JFK - DURING CHECK C-3B, FOUND CORROSION AT SIX O'CLOCK POSITION OF DRAIN HOLES FORWARD OF PRESSURE BULKHEAD STA 1809. REMOVED DOUBLER, REPAIRED FRAME PER SRM 51-50-03, AND REINSTALLED ORIGINAL DOUBLER. AIRCRAFT TOTAL TIME: 63,846 HOURS; 31,029 CYCLES.