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CABIN DOOR - "ARM ASSY, HOLD OPEN" - Door hold open assembly 310118-503


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Posted

This sliding thing I have taken for granted got a little jammed up and when I pulled the door closed bent all to hell and back - of course I was at the run-up area.  Reached over and after some bending from the pilot seat I got the door to close.  Opening the door at my destination was embarrassing, it snagged on my paper thin interior paneling (that I of course just resurfaced) and I had to push it open hard enough to cause a new crack. SMH.

Anyway, I don't want to mess around with a used hold open assembly if I don't have to - does anyone make a substitute? If not does anyone know of a someone who sells them in decent shape or any recommendations on what new technology to replace this with?

THANKS!

  • 2 years later...
Posted

Doesn't it just screw in? I've not removed mine, but the one on the door comes off easily. Just be careful to not lose the little bearing!

20250607_191828.jpg.61d7cc7a6bf3da1a992e48f3eed6ed2f.jpg

Posted
13 hours ago, Hank said:

Doesn't it just screw in? I've not removed mine, but the one on the door comes off easily. Just be careful to not lose the little bearing!

20250607_191828.jpg.61d7cc7a6bf3da1a992e48f3eed6ed2f.jpg

Hank, I believe we are talking cabin door, not baggage door?

Posted

my cabin door hold open is compromised. It does not hold at the stop.  Always going closed after you've opened it all the way.  Kind of a pain, but I haven't done anything about it.

 

Posted
47 minutes ago, Echo said:

Hank, I believe we are talking cabin door, not baggage door?

My cabin door hold open arm is the same, just longer. Periodically i remove it to straighten and lubricate it. Be VERY CAREFUL to not lose the roller bearing from between the two long pieces!

Posted

is the arm the same for the baggage door?  I ordered the one for the door as it doesn't stay open.  It's new and is the new one is very hard to move currently.  Will install shortly.

Posted
3 minutes ago, billy hellcat said:

is the arm the same for the baggage door?  I ordered the one for the door as it doesn't stay open.  It's new and is the new one is very hard to move currently.  Will install shortly.

They're the same in my C, except for length. 

Don't drop the bearing . . . .

Posted
On 6/13/2025 at 6:25 PM, billy hellcat said:

I just got a new arm and was wondering how the install is 

Where and how much?

Posted
9 hours ago, billy hellcat said:

I paid $63 and bought it at univair.com

This one?  Is the one for a mite compatible?

IMG_4498.png

Posted

Mine would never stay open and would hit me in the back all the time. My IA didn't have a problem with me putting a small gas strut on it. It holds the door open great, when taxiing or doing runup the prop wash closes it to about 2 inches and then opens back up smoothly at idle.

After my baggage door arm got bent terribly by a mechanic I put a small gas strut on that as well. It's nice because as it closes it goes over center and applies pressure to keeping the door shut. Not sure if it would make a difference if the baggage door wasn't latched and not will to try that experiment... They're similar to this but I would have to look at the length and weight rating to see what I have on there, I ordered a few different ones before settling on which worked best.

image.png.ecf6b7665ba2390e7f864cd715e4c424.png

  • Like 1
Posted
On 6/16/2025 at 11:01 AM, Skates97 said:

Mine would never stay open and would hit me in the back all the time. My IA didn't have a problem with me putting a small gas strut on it. It holds the door open great, when taxiing or doing runup the prop wash closes it to about 2 inches and then opens back up smoothly at idle.

After my baggage door arm got bent terribly by a mechanic I put a small gas strut on that as well. It's nice because as it closes it goes over center and applies pressure to keeping the door shut. Not sure if it would make a difference if the baggage door wasn't latched and not will to try that experiment... They're similar to this but I would have to look at the length and weight rating to see what I have on there, I ordered a few different ones before settling on which worked best.

image.png.ecf6b7665ba2390e7f864cd715e4c424.png

Got a picture of how you hooked this up for the cabin door? Would love to see....

Posted
18 hours ago, Elijah said:

Got a picture of how you hooked this up for the cabin door? Would love to see....

Will be at the hangar next Wednesday and can get a couple pictures.

  • Like 4
Posted

Well I followed up on the hinge as I had not received a notice of shipment after a week.  Cancelled order as they can't find the part anywhere.  Oh well.  You'll have that.

  • Sad 1

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