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Landing light malfunction

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skidmk

Joined: 19 Nov 2007
Posts: 171
Location: Ottawa, Ontario

Posted: Fri Oct 13, 2017 6:57 am Post subject: Landing light malfunction

Hey folks,



returned from a flight the other day and got this:



landing light switch is off, the light stayed deployed and on.  As soon as the masterswitch is on, the light will come on (even if the switch is in the off position), the light will not retract.  The only way to turn off the landing light is to flip the breaker.



anyone seen this?  thoughts?

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_________________
Mike "Skidmk" Bourget
Ottawa, Ontario

migfighter42(at)gmail.com
Guest

Posted: Fri Oct 13, 2017 12:41 pm Post subject: Landing light malfunction

Landing light up micro switch is either improperly adjusted or broken. Pull the light but leave it plugged in and check travel. Adjust or replace as necessary 



Bill

N39DE



Sent from my iPhone



 	  Quote: 	
		   On Oct 13, 2017, at 10:57 AM, skidmk <skidmk(at)gmail.com> wrote:

 

 

 

 Hey folks,

 

 returned from a flight the other day and got this:

 

 landing light switch is off, the light stayed deployed and on.  As soon as the masterswitch is on, the light will come on (even if the switch is in the off position), the light will not retract.  The only way to turn off the landing light is to flip the breaker.

 

 anyone seen this?  thoughts?

 

 --------

 Mike &quot;Skidmk&quot; Bourget

 Ottawa, Ontario

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=473502#473502

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Dawg

Joined: 19 May 2013
Posts: 355

Posted: Fri Oct 13, 2017 2:51 pm Post subject: Landing light malfunction

I too have that exact problem.



Bill C, with the light extended can we get to the micro switch?

bill g.

 	  Quote: 	
		   On Oct 13, 2017, at 14:40, Bill Culberson <migfighter42(at)gmail.com> wrote:

 

 

 

 Landing light up micro switch is either improperly adjusted or broken. Pull the light but leave it plugged in and check travel. Adjust or replace as necessary 

 

 Bill

 N39DE

 

 Sent from my iPhone

 

> On Oct 13, 2017, at 10:57 AM, skidmk <skidmk(at)gmail.com> wrote:

> 

> 

> 

> Hey folks,

> 

> returned from a flight the other day and got this:

> 

> landing light switch is off, the light stayed deployed and on.  As soon as the masterswitch is on, the light will come on (even if the switch is in the off position), the light will not retract.  The only way to turn off the landing light is to flip the breaker.

> 

> anyone seen this?  thoughts?

> 

> --------

> Mike &quot;Skidmk&quot; Bourget

> Ottawa, Ontario

> 

> 

> 

> 

> Read this topic online here:

> 

> http://forums.matronics.com/viewtopic.php?p=473502#473502

> 

> 

> 

> 

> 

> 

> 

> 

>

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_________________
Dawg

migfighter42(at)gmail.com
Guest

Posted: Fri Oct 13, 2017 8:28 pm Post subject: Landing light malfunction

No, but if you pull the screws out and let it hang (gently) by the harness, the inspection covers on the sides are easily removed and you can watch what happens as you cycle the switch. Pretty easy to adjust.



Bill



Sent from my iPhone



 	  Quote: 	
		   On Oct 13, 2017, at 6:49 PM, William Geipel <l129bs(at)gmail.com> wrote:

 

 

 

 I too have that exact problem.

 

 Bill C, with the light extended can we get to the micro switch?

 

 

 bill g.

> On Oct 13, 2017, at 14:40, Bill Culberson <migfighter42(at)gmail.com> wrote:

> 

> 

> 

> Landing light up micro switch is either improperly adjusted or broken. Pull the light but leave it plugged in and check travel. Adjust or replace as necessary 

> 

> Bill

> N39DE

> 

> Sent from my iPhone

> 

>> On Oct 13, 2017, at 10:57 AM, skidmk <skidmk(at)gmail.com> wrote:

>> 

>> 

>> 

>> Hey folks,

>> 

>> returned from a flight the other day and got this:

>> 

>> landing light switch is off, the light stayed deployed and on.  As soon as the masterswitch is on, the light will come on (even if the switch is in the off position), the light will not retract.  The only way to turn off the landing light is to flip the breaker.

>> 

>> anyone seen this?  thoughts?

>> 

>> --------

>> Mike &quot;Skidmk&quot; Bourget

>> Ottawa, Ontario

>> 

>> 

>> 

>> 

>> Read this topic online here:

>> 

>> http://forums.matronics.com/viewtopic.php?p=473502#473502

>> 

>> 

>> 

>> 

>> 

>> 

>> 

>> 

>> 

> 

> 

> 

>

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Dawg

Joined: 19 May 2013
Posts: 355

Posted: Fri Oct 13, 2017 8:30 pm Post subject: Landing light malfunction

thank you.



 	  Quote: 	
		   On Oct 13, 2017, at 22:27, Bill Culberson <migfighter42(at)gmail.com> wrote:

 

 

 

 No, but if you pull the screws out and let it hang (gently) by the harness, the inspection covers on the sides are easily removed and you can watch what happens as you cycle the switch. Pretty easy to adjust.

 

 Bill

 

 Sent from my iPhone

 

> On Oct 13, 2017, at 6:49 PM, William Geipel <l129bs(at)gmail.com> wrote:

> 

> 

> 

> I too have that exact problem.

> 

> Bill C, with the light extended can we get to the micro switch?

> 

> 

> bill g.

>> On Oct 13, 2017, at 14:40, Bill Culberson <migfighter42(at)gmail.com> wrote:

>> 

>> 

>> 

>> Landing light up micro switch is either improperly adjusted or broken. Pull the light but leave it plugged in and check travel. Adjust or replace as necessary 

>> 

>> Bill

>> N39DE

>> 

>> Sent from my iPhone

>> 

>>> On Oct 13, 2017, at 10:57 AM, skidmk <skidmk(at)gmail.com> wrote:

>>> 

>>> 

>>> 

>>> Hey folks,

>>> 

>>> returned from a flight the other day and got this:

>>> 

>>> landing light switch is off, the light stayed deployed and on.  As soon as the masterswitch is on, the light will come on (even if the switch is in the off position), the light will not retract.  The only way to turn off the landing light is to flip the breaker.

>>> 

>>> anyone seen this?  thoughts?

>>> 

>>> --------

>>> Mike &quot;Skidmk&quot; Bourget

>>> Ottawa, Ontario

>>> 

>>> 

>>> 

>>> 

>>> Read this topic online here:

>>> 

>>> http://forums.matronics.com/viewtopic.php?p=473502#473502

>>> 

>>> 

>>> 

>>> 

>>> 

>>> 

>>> 

>>> 

>>> 

>> 

>> 

>> 

>> 

> 

> 

> 

> 

>

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_________________
Dawg

skidmk

Joined: 19 Nov 2007
Posts: 171
Location: Ottawa, Ontario

Posted: Sat Oct 14, 2017 7:00 am Post subject: Re: Landing light malfunction

Thank you! I'll give it a try this week

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_________________
Mike "Skidmk" Bourget
Ottawa, Ontario

skidmk

Joined: 19 Nov 2007
Posts: 171
Location: Ottawa, Ontario

Posted: Mon Jan 01, 2018 10:07 am Post subject: Re: Landing light malfunction

Update:



for both aircraft, it turns out the "ground" wire pulled itself loose from the cannon plug.  Both are functioning now quite nicely.



Thanks for the hints.



M

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_________________
Mike "Skidmk" Bourget
Ottawa, Ontario

N777ZE

Joined: 27 Mar 2016
Posts: 32

Posted: Tue Jan 09, 2018 3:23 pm Post subject: Re: Landing light malfunction

Ground wire? Mine grounds through the airframe I found.

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