What was found
DURING CABIN EMERGENCY LITE TEST GOT THE MESSAGES "BATTERY AFT LEFT", "UNIT EMERGENCY RIGHT", & "BATTERY EMERGENCY LEFT". REPLACED BATTERY PACK AT AFT LT DOOR PASSENGER SERVICE UNIT IAW MM, TESTED OKAY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CABIN EMERGENCY LITE TEST GOT THE MESSAGES "BATTERY AFT LEFT", "UNIT EMERGENCY RIGHT", & "BATTERY EMERGENCY LEFT". REPLACED BATTERY PACK AT AFT LT DOOR PASSENGER SERVICE UNIT IAW MM, TESTED OKAY.