What was found
LAX - AN EMERGENCY POWER SUPPLY UNIT AT THE R-3 DOOR FAILED TEST. MAINTENANCE REPLACED THE EMERGENCY POWER SUPPLY UNIT AT THE R-3 DOOR. OPERATIONALLY CHECKED OK. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LAX - AN EMERGENCY POWER SUPPLY UNIT AT THE R-3 DOOR FAILED TEST. MAINTENANCE REPLACED THE EMERGENCY POWER SUPPLY UNIT AT THE R-3 DOOR. OPERATIONALLY CHECKED OK. (M)