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		GrummanDude
 
 
  Joined: 15 Jan 2006 Posts: 926 Location: Auburn, CA
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				 Posted: Thu May 18, 2006 10:44 pm    Post subject: Oil canning just forward of the tail tie down. | 
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				I leaned on my horizontal a few days ago and heard a buckling sound.   Not 
 the sound I would want to hear.   Lifing up on the horizontal, I heard it again. 
   As it turns out, the tail tie-down ring had been 'struck' at some point 
 before I bought the plane.   I have been ignoring the tie down ring.   This was 
 the first time I'd noticed the oil-canning.
 
 In the investigation that I expected would turn out to be damage in the 
 vertical supports, I noticed a 'u' shaped channel doubler on the left side, 
 vertically, halfway between the vertical support (that is the source of the service 
 bulletin) and the forward bulkhead that was designed to be the forward support 
 for the original Traveler.   
 
 Anyone seen or heard of this?
 
 Gary
 
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  _________________ Gary
 
AuCountry Aviation
 
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		flyv35b(at)ashcreekwirele Guest
 
 
 
 
 
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				 Posted: Fri May 19, 2006 5:00 am    Post subject: Oil canning just forward of the tail tie down. | 
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				I don't ever recall seeing this on any planes I have look at.
 
 I do have a customer who has a Tiger that makes a "popping" sound, possibly 
 oil canning when moving the end of the horizontal fore and aft.  I have not 
 been able to determine what the cause is.  I think it may be coming from 
 inside the stabilizer itself where the spar attaches.
 
 Cliff
 ---
 
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		GrummanDude
 
 
  Joined: 15 Jan 2006 Posts: 926 Location: Auburn, CA
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				 Posted: Fri May 19, 2006 10:53 pm    Post subject: Oil canning just forward of the tail tie down. | 
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				In a message dated 5/19/06 6:01:19 AM, flyv35b(at)ashcreekwireless.com writes:
  	  | Quote: | 	 		   I do have a customer who has a Tiger that makes a "popping" sound, possibl
 y
 | 	  
  	  | Quote: | 	 		   oil canning when moving the end of the horizontal fore and aft.=A0 I have
 not
 | 	  
  	  | Quote: | 	 		   been able to determine what the cause is.=A0 I think it may be coming from
  inside the stabilizer itself where the spar attaches.
 
 
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 That's what I thought.   lay on your back and put a like amount of fingertip
 
 pressure on the area just forward of the tail tie down.   Have someone move
 the horizontal around until it makes a noise.   I think you'll feel the skin
  oil
 can.
 
 Gary
 
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AuCountry Aviation
 
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