What was found
C/B AIR GROUND RELAY, LIGHTS AND LATCH, AND PRESSURE WARNING C/B POPPED IN FLIGHT. GEAR DID SHOW NO GREEN MISSED APPROACH, RAN CHECKLIST AND SHOWED THREE GREEN FINALLY. T/S PER WD 32-31-01 PAGES 1, 2 AND 3 SHORT TO GROUND ON WIRES W242-056-22, W154-193-22 AND W328-043-22. REPLACED M991 LOGIC CARD FOR AIR SENSE SQUAT SWITCH. PERFORMED GEAR SWING, OPS CHECK OF LOGIC CARD PER 32-09-20 SATISFACTORY.