$$$ M20J Landing Gear Clutch Spring $$$
It weighs less than 1/2 of an ounce. It's a spring with a 3/4" diameter and maybe a 1/2" wide. It's costs $800 for the part and takes 2-3 hours of labor to replace? There's an AD on it to replace every 1000 hours? Failure of this spring renders your electric and alternate gear extension useless. The Mooney part has been on back order. And I'm just hearing about this now!
Ok, I feel like an idiot. Anyone have this spring fail? Anyone replace it recently? Anyone else feel like an idiot
I agree, the price is way over what it would cost to make. I believe the SB was issued after a just one spring failed in the late 90's and the airplane landed gear up.
The weak point in the spring is where they bend the 90 degree tangs on each end to retain it in place. You'll only need to replace the spring if it breaks, but here's a catch. When it does break, the undercarriage stops at whatever point in the extend/retract cycle the spring has failed, and one more sobering point I'll add, th