As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL ANOMALY WITH CROSSFEED VALVE OPEN AND ONE LEFT FUEL PUMP OFF. FUEL IS BURNED FROM RIGHT TANK ONLY. ATTEMPTS TO TURN OFF BOTH LEFT PUMPS RESULTS IN LEFT LOW PRESSURE LIGHT ILLUMINATED. LANDED RDU WITHOUT INCIDENT. CHECKED FUEL CROSSFEED FROM LEFT TO RIGHT AND RIGHT TO LEFT. FOUND ALL TO BE NORMAL. FOUND LEFT PRESSURE INLET SWITCH WORKING INTERMITTENTLY. REPLACED FUEL PRESSURE SWITCH. SYSTEM GROUND CHECKED NORMAL OPERATION.