What was found
NO VISIBLE SMOKE COMING IN CABIN DURING FLIGHT BUT F/A REPORT BURNING SULFUR ODOR IN ROW 8-9. INSPECTED CABIN OF AIRCRAFT FOR FIRE, SMOKE, AND ELECTRICAL DAMAGE. INSPECTED CABIN LIGHT SOCKETS, BULBS, AND WIRING FOR ARCING; NO DAMAGE NOTED. OPENED PSU PANELS FOUND BALLAST FOR WINDOW LIGHTS 9 AND 10DF AT SEAT 9DF BURNED OUT. BALLAST HAD A BURNED ELECTRICAL ODOR. DISCONNECTED BALLAST PER DOM, OPENED MEL 33-20-1 CAT C ID NR 21989 NO FURTHER SMOKE NOTED AT THIS TIME. RESECURED BALLAST CONNECTOR. OPS CHECKS GOOD MEL CLEARED ON 10/10/2006.