As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL 350 WITH 1400 LBS IN CENTER TANK AND A DECK ANGLE OF 2.5 DEGREES WINGS LEVEL WITH SMOOTH RIDE LEFT CENTER PUMP LOW PRESS LIGHT ILLUMINATED WITH PUMP IN ON POSITION ATTEMPTED CYCLE OF PUMP SWITCH WITH NO CHANGE. GROUNDED - YES. ON DEFERRAL.