As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AFT RIGHT WING FUEL LOW PRESSURE LIGHT DOES NOT ILLUMINATE WHEN THE FUEL PUMP SWITCH IS TURNED OFF. REMOVED AND REPLACED RIGHT AFT FUEL BOOST PUMP PRESSURE SWITCH, IAW AMM 28-42-11. PRESSURE SWITCH OPS CHECK NORMAL LIGHT EXTINGUISHES AND ILLUMINATES AS INTENDED.