As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: WHILE ATTEMPTING TO BALANCE FUEL THE CROSSFEED VALVE OPEN LEFT AFT AND FORWARD FUEL PUMPS TURNED OFF. ALSO, THE AFT LOW PRESSURE LIGHT DID NOT ILLUMINATE WHEN FUEL PUMP TURNED OFF. REMOVE AND REPLACED LEFT HAND AFT FUEL BOOST PUMP PRESSURE SWITCH. PER 28-42-11.