As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LGA - THE EMERGENCY LIGHT TEST GAVE EMERGENCY POWER SUPPLY UNIT 'INT LOAD' FAULTS FOR THE MID RIGHT AND LEFT, AND EXIT RIGHT AND LEFT POSITIONS. MAINTENANCE REMOVED AND REINSTALLED CANNON PLUGS ON SEVERAL EMERGENCY POWER SUPPLY UNITS. SYSTEM OPERATIONALLY CHECKS OK. (M)