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Old 10th Jan 2019, 12:02
  #66 (permalink)  
Join Date: Feb 2006
Location: Hanging off the end of a thread
Posts: 15,658
WTF is that abortion, have they not heard of quick release drains, the engine would incidentally have come from Lycoming with a wire locked sump plug, they have replaced it with that, heck you can see the locking tab for it on the bottom of the sump about bad engineering, even the thread into the sump is National Pipe Taper as a double safety point, that cap isn't. It's not rocket science to rectify.

Here, try these

Oil Drain Valve, Lycoming Thread 1/2 inch NPT, from Saf-Air, sa-p5000 - Chief Aircraft Inc.
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