What was found
FLIGHT 1815, PHL - CLT - AT CRUISE ALTITUDE THE "TAT 2 FAILED" ADVISORY LIGHT ILLUMINATED. THE AUTO THROTTLE AND LEFT NAVIGATION KICKED OFF. THE COPILOT SWITCHED SOURCE TO CAPTAIN AND ALL OPERATED NORMAL WITH THE ADVISORY LIGHT REMAINING ON. ON DESCENT AT 22,000 FEET THE FLIGHT ATTENDANT SMELLED AN ELECTRICAL ODOR IN CABIN, STRONGER IN THE FORWARD GALLEY AREA. THERE WAS NO SMOKE OBSERVED. AT 21,000 FEET THE ODOR STARTED TO DISSIPATE. MAINTENANCE FOUND THE NR 2 TAT CONNECTOR PLUG BURNT ON THE PROBE. THE CONNECTOR AND THE TAT WERE REMOVED AND REPLACED.