As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CENTER TANK RIGHT FUEL PUMP LOW PRESSURE LIGHT DOES NOT ILLUMINATE AFTER FUEL IS EXHAUSTED FROM THAT TANK. FUEL PUMP APPEARED TO OPERATE NORMALLY AND FUEL BURN WAS AS EXPECTED. GROUNDED - YES. PERFORMED INITIAL EVALUATION OF FIM 28-22 TASK 821, PUSH-TO-TEST LIGHT OPERATES, AND CTR R PUMP OPERATES WITH SWITCH ON. PER FIM, REMOVED AND REPLACED R/H CENTER FUEL BOOST PUMP PRESSURE SWITCH, REF B737-800 AMM 28-42-11/401. GROUND VERIFICATION SUCCESSFUL.