What was found
5 MINUTES AFTER ENGAGING WING & TAIL AI ON DEPARTURE WE RECEIVED A LEVEL 1 BLEED AIR 2 OFF. THE ALERT DISAPPEARED WHEN THE AI WAS TURNED OFF. WE PLACED THE ESC IN MANUAL AND REENGAGED THE AI. THE LEVEL 1 ALERT RETURNED AND WENT AWAY WHEN THE AI WAS TURNED OFF. AFTER SWITCHING CONTROLLERS IN AUTO WE REENGAGED THE AI. THE BLEED AIR TEMP INCREASED TO 270 DEGREES, TURNED RED AND THE SYTEM TURNED BLEED 2 OFF. WE TURNED THE AI OFF AND RETURNED TO MEMPHIS. REMOVED AND REPLACED D1-8251 (TI-2) AND REINSTALLED PSC-1. OPS CHECK GOOD. ORIGINAL SUBMISSION DATE: 1/13/2023