As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN EMERG LIGHT: CABIN EMERGENCY LIGHTS REMAIN ON WHEN IN ARM POSITION. BOTTOM RIGHT AIR STAIR DOOR LIGHT IS FLASHING AS WELL. //SIGNOFF// REMOVED AND REPLACED #1 ERNER BATTERY WITH A ''TESTED" UNIT. REMOVED AND REPLACED #2 ERNER BATTERY WITH A "REPAIRED" UNIT. ALL WORK COMPLETED IAW EMB-505 AMM 33-52-02/400. COMPLETED ERNER BATTERY OPERATIONAL CHECK IAW EMB-505 AMM 33-52-00-710-801-A.