What was found
DCA - THE EMERGENCY LIGHTS DO NOT TEST. MAINTENANCE REPLACED THE EMERGENCY POWER SUPPLY UNIT AT THE MID RIGHT CABIN POSITION. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DCA - THE EMERGENCY LIGHTS DO NOT TEST. MAINTENANCE REPLACED THE EMERGENCY POWER SUPPLY UNIT AT THE MID RIGHT CABIN POSITION. (M)