Ski rack dfma

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Ski Rack DFMA
 
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[[Ski rack]]
 
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{|
 
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|-
 
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! Assembly
 
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! Function
 
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! Potential Mode of Failure
 
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! Potential Effect of Failure
 
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! Sev
 
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! Potential Cause of Failure
 
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! Occurance
 
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! Detection Controls
 
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! Detection
 
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! RPN
 
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|-
 
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| Bracket
 
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| Hold the rack onto the crossbars
 
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| Plastic Cracks
 
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| Rack Unstable
 
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| 5
 
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| Cold
 
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| 2
 
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| Material Choice
 
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| 1
 
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| 10
 
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|-
 
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| Bracket
 
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| Hold the rack onto the crossbars
 
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| Plastic Cracks
 
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| Rack Unstable
 
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| 5
 
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| Poor Manufacturing
 
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| 4
 
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| N/A
 
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| 6
 
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| 120
 
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|-
 
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| Bracket
 
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| Hold the rack onto the crossbars
 
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| Plastic Cracks
 
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| Rack Unstable
 
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| 5
 
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| Vehicle Crash
 
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| 4
 
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| N/A
 
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| 10
 
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| 200
 
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|-
 
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| Bracket
 
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| Hold the rack onto the crossbars
 
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| Plastic Cracks
 
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| Rack Unstable
 
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| 5
 
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| Overtorque
 
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| 4
 
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| Allen Key Size
 
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| 7
 
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| 140
 
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|-
 
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| Bracket
 
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| Hold the rack onto the crossbars
 
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| Bolt Shears
 
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| Rack Unstable
 
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| 5
 
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| Vehicle Crash
 
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| 4
 
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| N/A
 
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| 10
 
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| 200
 
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|-
 
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| Bracket
 
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| Hold the rack onto the crossbars
 
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| Bolt Shears
 
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| Rack Unstable
 
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| 5
 
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| Rust
 
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| 7
 
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| Use Stainless Steel
 
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| 5
 
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| 175
 
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|-
 
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| Bracket
 
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| Hold the rack onto the crossbars
 
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| Bolt Shears
 
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| Rack Unstable
 
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| 5
 
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| User Bolt - Not Factory
 
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| 3
 
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| Specific Shape and Thread
 
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| 10
 
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| 150
 
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|-
 
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| Bracket
 
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| Hold the rack onto the crossbars
 
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| Bolt Shears
 
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| Rack Unstable
 
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| 5
 
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| Overtorque
 
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| 4
 
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| Allen Key Size
 
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| 7
 
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| 140
 
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|-
 
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| Bracket
 
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| Hold the rack onto the crossbars
 
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| Bolt Shears
 
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| Rack Unstable
 
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| 5
 
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| Undertorque
 
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| 3
 
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| Allen Key Size
 
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| 7
 
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| 105
 
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|-
 
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| Bracket
 
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| Hold the rack onto the crossbars
 
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| Mounting Grooves Wear
 
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| Rack Unstable
 
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| 5
 
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| Vibrations
 
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| 3
 
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| Material Choice
 
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| 5
 
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| 75
 
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|-
 
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| Latch
 
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| Open and Close the Ski Rack on Request
 
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| Will Not Open
 
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| Cannot go skiing
 
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| 7
 
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| Frozen
 
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| 5
 
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| Material Choice
 
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| 8
 
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| 280
 
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|-
 
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| Latch
 
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| Open and Close the Ski Rack on Request
 
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| Will Not Open
 
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| Cannot go skiing
 
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| 7
 
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| Deformation
 
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| 6
 
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| Material Choice
 
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| 8
 
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| 280
 
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|-
 
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| Latch
 
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| Open and Close the Ski Rack on Request
 
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| Will Not Open
 
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| Cannot go skiing
 
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| 7
 
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| Lost / Broken Key
 
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| 4
 
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| Extra Key
 
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| 1
 
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| 28
 
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|-
 
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| Latch
 
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| Open and Close the Ski Rack on Request
 
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| Will Not Open
 
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| Cannot go skiing
 
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| 7
 
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| Broken Rivet
 
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| 2
 
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| Material Thickness
 
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| 6
 
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| 84
 
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|-
 
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| Latch
 
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| Open and Close the Ski Rack on Request
 
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| Will Not Close
 
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| Cannot go skiing
 
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| 7
 
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| Broken Latch
 
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| 5
 
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| Material Choice
 
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| 2
 
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| 70
 
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|-
 
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| Latch
 
-
| Open and Close the Ski Rack on Request
 
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| Will Not Close
 
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| Cannot go skiing
 
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| 7
 
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| Deformation
 
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| 6
 
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| Material Choice
 
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| 4
 
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| 168
 
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|-
 
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| Latch
 
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| Open and Close the Ski Rack on Request
 
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| Will Not Close
 
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| Cannot go skiing
 
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| 7
 
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| Lock Frozen Locked
 
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| 4
 
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| Seal Lock to prevent moisture from entering
 
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| 4
 
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| 112
 
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|-
 
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| Latch
 
-
| Open and Close the Ski Rack on Request
 
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| Will Not Close
 
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| Cannot go skiing
 
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| 7
 
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| Broken / Worn Spring
 
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| 3
 
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| Spring Choice
 
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| 5
 
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| 105
 
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|-
 
-
| Latch
 
-
| Open and Close the Ski Rack on Request
 
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| Will Not Close
 
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| Cannot go skiing
 
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| 7
 
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| Broken Rivet
 
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| 2
 
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| Material Choice
 
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| 6
 
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| 84
 
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|-
 
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| Latch
 
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| Open and Close the Ski Rack on Request
 
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| Opens on its own
 
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| Loss of Skis, Potentially Fatal Accidents
 
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| 9
 
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| Deformation
 
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| 6
 
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| Material Choice
 
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| 4
 
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| 216
 
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|-
 
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| Latch
 
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| Open and Close the Ski Rack on Request
 
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| Opens on its own
 
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| Loss of Skis, Potentially Fatal Accidents
 
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| 9
 
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| Weakened Plastic
 
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| 7
 
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| Material Choice
 
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| 6
 
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| 378
 
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|-
 
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| Latch
 
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| Open and Close the Ski Rack on Request
 
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| Opens on its own
 
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| Loss of Skis, Potentially Fatal Accidents
 
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| 9
 
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| Driving Forces Break Latch
 
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| 3
 
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| Minimize Forces, Material Choice
 
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| 10
 
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| 270
 
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|-
 
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| Latch
 
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| Open and Close the Ski Rack on Request
 
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| Opens on its own
 
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| Loss of Skis, Potentially Fatal Accidents
 
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| 9
 
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| Ratchet Tooth Failure
 
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| 4
 
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| Avoid Use of Ratchet Teeth
 
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| 8
 
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| 288
 
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|-
 
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| Latch
 
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| Open and Close the Ski Rack on Request
 
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| Opens on its own
 
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| Loss of Skis, Potentially Fatal Accidents
 
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| 9
 
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| Broken / Worn Spring
 
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| 3
 
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| Spring Choice
 
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| 5
 
-
| 135
 
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|-
 
-
| Latch
 
-
| Open and Close the Ski Rack on Request
 
-
| Opens on its own
 
-
| Loss of Skis, Potentially Fatal Accidents
 
-
| 9
 
-
| Broken Rivet
 
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| 2
 
-
| Material Thickness
 
-
| 6
 
-
| 108
 
-
|-
 
-
| Latch
 
-
| Open and Close the Ski Rack on Request
 
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| Not Fully Closed
 
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| Chance of Opening leading to loss of skis, potentially fatal accidents
 
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| 9
 
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| Ratchet Tooth Barely Engaged
 
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| 6
 
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| Color Notification
 
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| 2
 
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| 108
 
-
|-
 
-
| Latch
 
-
| Open and Close the Ski Rack on Request
 
-
| Not Fully Closed
 
-
| Chance of Opening leading to loss of skis, potentially fatal accidents
 
-
| 9
 
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| Debris in the Way
 
-
| 8
 
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| Color Notification
 
-
| 2
 
-
| 144
 
-
|-
 
-
| Latch
 
-
| Open and Close the Ski Rack on Request
 
-
| Not Fully Closed
 
-
| Chance of Opening leading to loss of skis, potentially fatal accidents
 
-
| 9
 
-
| Too much in the rack
 
-
| 6
 
-
| Color Notification
 
-
| 2
 
-
| 144
 
-
|-
 
-
| Latch
 
-
| Open and Close the Ski Rack on Request
 
-
| Not Fully Closed
 
-
| Chance of Opening leading to loss of skis, potentially fatal accidents
 
-
| 9
 
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|
 
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|
 
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|
 
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|-
 
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|}
 

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