As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED - LOW PRESSURE LIGHT, LEFT AFT BOOST PUMP, DURING CRUISE AND DESCENT. PERFORMED TROUBLESHOOTING PER FIM 28-22-00-810-803, GFI RESET BUTTON NOT OUT. ***SUPPLEMENTAL REPORT: REMOVED AND REPLACED LH AFT BOOST PUMP IMPELLER PER AMM 28-22-41, OPERATIONAL CHECK GOOD. ***(CLOSED)