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Went out this
morning for a short flight in LNC2 N7PN. It was shorter than I
planned. On takeoff, the gear transit light stayed on and the right main
green light remained on. I pulled the circuit breakers and did a 90-270
back to a low approach to runway 29 with the rising sun behind me. My
shadow showed all three gear extended, but I only had one light. I pulled
up to a downwind, tried the hydraulics again to no avail, pulled the breakers,
opened the bypass valve, fishtailed the airplane, and the left main green light
illuminated. When I slowed to about 90 knots, the nose showed down and
locked, so I landed. Total flight time was about 6
minutes.
When I dismounted, I
noticed hydraulic fluid on the right flap. I crawled under the airplane
and the gear door sequence valve had come apart. The snap ring holding the
mechanism in place apparently popped out or something. I examined the
valve in the right gear well and saw no obvious signs of wear, so I really don't
know what happened. I had never dismantled the valve, so I don't know if
the snap ring was installed properly or not. I hadn't paid much attention
to the sequence valves other than inspecting them well at the annual condition
inspection. From now on, they'll be a specific preflight
item.
Naf
Paul Nafziger
LNC2 N7PN
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