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  #1  
Old 10-10-2019, 12:57 PM
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pazmanyflyer pazmanyflyer is offline
 
Join Date: Jul 2007
Location: Litchfield Park, AZ
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Default MANDATORY ROTAX® Alert SB

Replacement of fuel pump assy. for ROTAX® Aircraft Engine Type 915 i A and 912 i (Series)

https://legacy.rotaxowner.com/si_tb_...b-912i-011.pdf
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  #2  
Old 10-10-2019, 01:01 PM
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Piper J3 Piper J3 is offline
 
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I wonder how many Bing carb floats you can buy for the cost of replacing this pump?
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  #3  
Old 10-10-2019, 02:15 PM
RV12JT RV12JT is offline
 
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Location: Keystone State
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I was on the fence ordering my Sling 2, as to which engine I wanted. TAF convinced me that maybe I’d want the 912 ULS, at the time, rather than the iS. All due to the VIRB ration issues the iS was still exhibiting. So far, I’ve only had one recent SB, for carb circlip replacement, less than an hour job. On the other hand, the iS motors have had several SB,s, especially the 915i#.
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  #4  
Old 10-10-2019, 04:08 PM
jcl777 jcl777 is offline
 
Join Date: May 2016
Location: Kingwood, TX
Posts: 23
Default Engine Serial Number

At least based on the engine serial numbers affected, I'm in the clear. My mechanic will check the part serial numbers anyway. Anything labelled "before next flight" gets my attention real quick.
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RV12-iS, N221TF, #121130, non-builder
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  #5  
Old 10-10-2019, 04:50 PM
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You may want to take another look. I don't see any engine serial numbers listed.
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  #6  
Old 10-10-2019, 06:15 PM
jcl777 jcl777 is offline
 
Join Date: May 2016
Location: Kingwood, TX
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You're right...was looking at something else.
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  #7  
Old 10-10-2019, 06:26 PM
Bob Y Bob Y is offline
 
Join Date: Jul 2017
Location: Piedmont, SC
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Just as a point of reference, I received my Powerplant kit May 20 this year. My pump assembly SN is 18.0708, which is within the potentially impacted range.
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  #8  
Old 10-10-2019, 06:44 PM
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engineerofsorts engineerofsorts is offline
 
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Location: Austin, Texas
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Default Fuel pump serial number availability

One problem I see in checking the serial numbe for the fuel pump assembly it’s that, per the KAI, the first thing to do is remove the cover on the fuel pump assembly, and not put it back on. We most likely disposed of this in-needed cover, so, unless we have the serial number on our documentation, we may be up that well-known polluted tributary without a means of propulsion. It appears the two actual fuel pumps do have serial number, which we could read—but we need to know what fuel pum ranges have the bad innards.
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RV-12 #120332 N73HR
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  #9  
Old 10-10-2019, 07:01 PM
Bob Y Bob Y is offline
 
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Location: Piedmont, SC
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The SB indicates the potentially impacted S/N ranges: 180500-192699.
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  #10  
Old 10-10-2019, 07:47 PM
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engineerofsorts engineerofsorts is offline
 
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Default Well, yah, but

Quote:
Originally Posted by Bob Y View Post
The SB indicates the potentially impacted S/N ranges: 180500-192699.
This is the ASSEMBLY part number range. This is on the cover of the assembly, which cover was removed for the RV12iS implementation. There are serial numbers on each of the two FUEL PUMPS, which we should still be able to read—but the service bulletin says nothing about the serial number range of the bad individual fuel pumps.
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