What was found
INSPECTION TYPE:NALEVEL 1 EMER PWR TST FAIL DURING PREFLIGHTTROUBLESHOOT PER FIM 24-30-03-00, REMOVED AND REPLACED BOTH BATTERIES PER AMM 24-34-02. REMOVED AND REPLACED EPCU PER AMM 24-08-01, OPS CHECKS GOOD, FAULTS CLEARED. IPC 24-08-01-50-001M, 24-34-02-01-270