inverted Schweizer towhook
"Charles Longley
Sorry I wasn’t clear. A FAA form 337 is required. A field approval is not required.
I live near Seattle if anyone needs a hook installed."
So I'm curious. If your documenting your work on a 337 without a field approval, you are considering the alteration a major.
So what approved data are you using to make this release inversion alteration?
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