What was found
D; DURING ARRIVAL WITH APU RUNNING FOR ASE, APU FAULT CAUTION MSG DISPLAYED FOLLOWED BY APU FIRE WARNING FOR A FEW SECONDS, WHICH DISAPPEARED SOON. THEN APU PUMP CAUTION DISPLAYED. RAN QRH AND SHUTDOWN APU IN THE AIR. / C; MEL 49-10-1A / CAT C DUE 9/16/22 / **** SMOD APPROVAL REQUIRED****MANAGEMENT APPROVAL IS REQUIRED VIA MXC SUPERVISOR PRIOR TO RETURN TO SERVICE AFTER CLEARING THIS DEFERRAL. **** / DURING ARRIVAL WITH APU RUNNING FOR ASE, APU FAULT CAUTION MSG DISPLAYED FOLLOWED BY APU FIRE WARNING FOR A FEW SECONDS, WHICH DISAPPEARED SOON. THEN APU PUMP CAUTION DISPLAYED. RAN QRH AND SHUTDOWN APU IN THE AIR. (FLIGHT 3229 FILED CLOSED) SEP 06, 2022 STATION: ASE--INSPECTED AND FOUND THE EGT SENSOR WIRING TO BE BURNT. DEFERRED THE APU PER MEL 49-10-1A. COMPLIED WITH MX PROCEDURE. PLACARD INSTALLED. / SEP 10, 2022 STATION: COS -- SEE CP 25468824, CP 25468825, AND CP 25468826 FOR ALL CORRECTIVE ACTIONS, LEAK AND OPS CHECKS.