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Tool required for M20A Deteriorated Wooden Structure Inspection. Ref. AD 86-19-10


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Posted
1 hour ago, N201MKTurbo said:

The AD tells how to build the fixture. Just make one.

Have a shop doing this but taking too long while plane is in annual.  Looking to rent one for this purpose.   Thanks 

  • Like 1
Posted

I'm a bit confused as the tool referenced in the AD is designed to check the wooden tail for deterioration by applying a substantial side load and measuring for less than 1/16" permanent deformation after the load is applied.

Thing is, I was under the impression that there had been an AD that ELIMINATED ALL wood TAILs on Mooneys. (requires replacement will metal tails)

Is that not the case?

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Posted

Mike,

You’re 100% right on this.  No special tooling or jig required for the wing inspection.

Strange that the AD in 1986 has language pertaining to a wooden empennage that was banned in 1967.

Thanks for setting me straight!

  • Like 2
Posted
On 12/10/2025 at 10:41 PM, Jon ONeill said:

Mike,

You’re 100% right on this.  No special tooling or jig required for the wing inspection.

Strange that the AD in 1986 has language pertaining to a wooden empennage that was banned in 1967.

Thanks for setting me straight!

The wooden tail is not banned but requires repetitive inspections. Very few left but one located by me and still airworthy.
David

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