What was found
R1 ENTRY DOOR SLIDE NOT SHOWING SLIDE INDICATION ON ECAM WITH LEVER IN THE ARMED POSITION. REMOVED AND REPLACED AUTONOMOUS STANDBY UNIT IAW AMM 52-73-18-04 OPS CHECK FAILED R1 DOOR SLIDE INDICATION STILL DOES NOT SHOW ON ECAM WHEN DOOR IS ARMED. REQUIRES FURTHER TROUBLESHOOTING. REMOVED AND REPLACED AUTONOMOUS STANDBY UNIT IAW AMM 52-73-18-04 OPS CHECK FAILED R1 DOOR SLIDE INDICATION STILL DOES NOT SHOW ON ECAM WHEN DOOR IS ARMED. REQUIRES FURTHER TROUBLESHOOTING. SUSPECT BATTERIES WERE NOT FULLY CHARGED DURING FIRST ATTEMPT AT OPS CHECK. LET BATTERIES CHARGE AND PERFORMED TEST OF AUTONOMOUS STANDBY POWER SUPPLY UNIT IAW AMM 52-73-00-05-02 OPS CHECK GOOD.