What was found
DCA - RECEIVED AN EPSU EXT LOAD EMER R AND AN EPSU INT LOAD EMER R FAULT MESSAGE DURING THE EMERGENCY LIGHTS TEST. MAINTENANCE REPLACED THE CENTER RIGHT EMERGENCY POWER SUPPLY UNIT. SYSTEM OK FOR SERVICE. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DCA - RECEIVED AN EPSU EXT LOAD EMER R AND AN EPSU INT LOAD EMER R FAULT MESSAGE DURING THE EMERGENCY LIGHTS TEST. MAINTENANCE REPLACED THE CENTER RIGHT EMERGENCY POWER SUPPLY UNIT. SYSTEM OK FOR SERVICE. (M)