As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDIS 576 24-22 0846 01JUN21 MEM OPEN U HAD EMER PWR ON LEVEL ONE ALERT. FOLLOWED QRH AND BATTERY POWER STAYED NORMAL FOR 35-40 MINUTES. THEN BATTERY POWER WENT FROM 26 DOWN TO 18 AND ADG WAS DEPLOYED. DECLARED AN EMERGENCY AND LANDED UNEVENTFULLY. REMOVED AND REPLACED LEFT EMER CONTROL RELAY IAW AMM 24-24-00-4. OK FOR SERVICE.