What was found
FLT 2824, LAX-LAX, DURRING TAKE OFF ROLL BELLOW 80 KTS GEN 1 FAULT MASTER CAUTION GEN 1 FAULT ECAM RAN PER SOP TAXI TO GATE MAX BRAKE TEMP 320 THUMP BRAKE CHATTER DURRING REJECTED TAKE OFF. ( ENGINE DRIVEN GENERATOR CHANNEL (IDG, GCU, LINE CONTACTOR) IDG 1 OR IDG 2 (DISCONNECTED) ); REMOVED AND REPLACED IDG- INTEGRATED DRIVE GENERATOR #1. PER AMM 24-21-51. OPS CHECK GOOD PER 24-21-00. MX-4 UPDATED MDDR # 614261 CLEARED.