As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
O-RING DETERIORATED ALLOWING HYD FLUID TO BYPASS, RESULTING IN NOT ENOUGH DOWN PRESSURE TO PLACE NOSE GEAR FULLY DOWN AND LOCKED AND ACTIVATE NOSE GEAR LIGHT. ALSO MAIN GEAR WOULD NOT RETRACT. SPRING PRESSURE PLACED NOSE GEAR FULLY DOWN AS SPEED SLOWED BELOW 85 KTS. AND LIGHT ILLUMINATED.