What was found
DCA - DURING THE EMERGENCY LIGHTS TEST, RECEIVED 'EPSU BATTERY EMER R, MESSAGE ON THE FLIGHT ATTENDANT PANEL SCREEN. MAINTENANCE REPLACED BATTERY FROM MID-CABIN RIGHT SIDE EMERGENCY POWER SUPPLY UNIT. OPERATIONALLY CHECKS OK. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DCA - DURING THE EMERGENCY LIGHTS TEST, RECEIVED 'EPSU BATTERY EMER R, MESSAGE ON THE FLIGHT ATTENDANT PANEL SCREEN. MAINTENANCE REPLACED BATTERY FROM MID-CABIN RIGHT SIDE EMERGENCY POWER SUPPLY UNIT. OPERATIONALLY CHECKS OK. (M)