As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT HYDRAULIC PUMP PRESSURE LIGHT ILLUMINATED WITH SWITCH IN AUTO. MAINT FOUND NO VOLTAGE AT RT HYD EDP CONNECTOR D486 (WDM 29-11-22) WHEN SWITCH IS "ON" OR "AUTO". WHEN SWITCH IS ROTATED PART OF THE WAY, PRESSURE COMES ON & STAYS ON. SWITCH SUSPECTED ON OVERHEAD HYD SYSTEM CONTROL PANEL. REPLACED RT HYD PUMP SELECT SWITCH S7 AT P5 PANEL. OPS CHECKED HYD SYSTEM OKAY.