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Cessna 421C - GTSIO-520N

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Cessna 421C - GTSIO-520N

Old 7th Feb 2019, 19:03
  #1 (permalink)  
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Join Date: Jun 2016
Location: Pakistan
Posts: 2
Cessna 421C - GTSIO-520N

Greetings

We have a Cessna 421C fitted with GTSIO-520N. Recently we did the SOAP Analysis Test of the Oil for both the Left Engine and the Right Engine.
Attach are the reports. Would appreciate if I can get input on the Internal Health of the Left Engine compared with the Right Engine.

Regards

Yasir Rizvi
Hybrid Aviation

Attached Files
File Type: pdf
Left Engine.pdf (822.3 KB, 34 views)
File Type: pdf
Right Engine.pdf (609.8 KB, 21 views)
yrizvi86 is offline  
Old 9th Feb 2019, 10:06
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Join Date: Jun 2001
Location: Surrounded by aluminum, and the great outdoors
Posts: 3,517
is that the one thats parked down near the VIPramp in OPKC?...seen one there a few times....good luck with the SOAP...
ironbutt57 is offline  
Old 9th Feb 2019, 13:51
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Join Date: Mar 2008
Location: Lander, WY, USA
Posts: 116
You might get some information from Blackstone's website, there is a link to a sample report that may show averages,
https://www.blackstone-labs.com/engine-types/aircraft/#
Sample "explanation" report here, (link on the left that says Aircraft Explanation) notice the far right column of the sample report is "Universal Averages."
https://www.blackstone-labs.com/serv...t-explanation/

However, it's my (limited) understanding that a single analysis doesn't really tell much, way more useful when used as a trend monitor.
Hope this helps.
340drvr is offline  
Old 10th Feb 2019, 02:30
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Join Date: Jun 2001
Location: Surrounded by aluminum, and the great outdoors
Posts: 3,517
I know from my days as a hangar rat many decades ago, that S.O.A.P. is indeed a trend monitoring tool, however there were a couple of contaminants that required "further investigation" if high levels were shown, even at initial readings...hope all is ok with your GTSIOs, they are a lovely machine when treated properly..
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