What was found
DFW - FLT 3906 - EMERGENCY FLOOR LIGHTING SYSTEM WILL NOT OPERATE. REPLACED POWER SUPPLY. AIRCRAFT RETURNED TO SERVICE. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DFW - FLT 3906 - EMERGENCY FLOOR LIGHTING SYSTEM WILL NOT OPERATE. REPLACED POWER SUPPLY. AIRCRAFT RETURNED TO SERVICE. (X)