As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL IN CENTER TANK INDICATED .30 ON THE GROUND PRIOR TO FLIGHT BUT SHOWED 1.38 @ TOP OF CLIMB. CENTER PUMPS WERE TURNED ON AND TANK WAS BURNED DOWN TO 0.00 WHEN LOW PRESS LIGHTS ILLUMINATED. GROUNDED - YES. PERFORMED FQIS BITE PROCEDURE, REF B737-900 FIM 28-41 TASK 801, CURRENT STATUS SHOWS "NO PRESENT FAULTS", GROUND TEST SHOWS "PASS". PERFORMED SYSTEM TEST- FUEL QUANTITY INDICATING SYSTEM, REF B737-900 AMM 28-41-00, NO FAULT FOUND.