What was found
AIRCRAFT WAS GROUNDED: LOW SPEED REJECTED TAKEOFF. AT SETTING OF T/O POWER, LOUD BANG FROM #1 ENGINE FOLLOWED BY ENG STALL ON ECAM. AFTER STOPPING AC ENG 1 FIRE INDICATION. FIRE CONFIRMED IN ENGINE BY FEDEX AIRCRAFT WAITING FOR T/O. QRC CHECKLIST FOLLOWED WITH SHUT DOWN AND DISCHARGE OF BOTH BOTTLES. EGT UPWARDS OF 1000C. FIRE EXTINGUISHED. ARFF INSPECTED ENGINE AND LANDING GEAR. TAXIED TO GATE UNDER OWN POWER, FOLLOWED BY ARFF. **SUPPLEMENTAL REPORT FOR SDR AALA202603272784 SUBMITTED BY EWR ON 3/24/26. **(CLOSED)** MAINTENANCE REPLACED #1 ENG IAW JC # 26L40071004.