As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: LEFT AFT FUEL PUMP LOW PRESSURE LIGHT REMAINS ON WITH SWITCH IN ON POSITION. REOPENED DUE TO NOT COMPLETING A SINGLE FLIGHT LEG. FOUND NO VOLTAGE AT CONNECTOR D70, REMOVED AND REPLACED GFI RELAY R18. PER AMM 28-22-18.