As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR TOOK ABOUT 4 MINUTES TO COME UP HYD PUMP RAN CONTINOUSLY. RAN QRH CYCLED GEAR THEN CAME UP NORMALLY. COULD NOT DUPLICATE DISCREPENCY. REPLACED HYDRAULIC AUTO PRESSURE SWITCH. REPLACED HYDRAULIC RESEVOIR, BLED SYS AND SERVICED; PERFORMED NUMEROUS GEAR SWINGS.