As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OKC - INFLIGHT MSP-DFW. CREW REPORTED FUEL LEVEL LOW LIGHT ILLUMINATED. FLIGHT DIVERTED OKC LANDED WITHOUT INCIDENT. PLACARD FUEL LEVEL LOW LIGHT SYSTEM INOPERATIVE PER MEL. FLIGHT CONTINUED TO DESTINATION. SYSTEM GROUND CHECK NORMAL OPERATION.