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Re: Magnaflux

To: mdunst@smtplink.coh.org, shop-talk@Autox.Team.Net
Subject: Re: Magnaflux
From: BMcgu22954@aol.com
Date: Fri, 7 Mar 1997 22:19:25 -0500 (EST)
In a message dated 97-03-04 22:54:54 EST, mdunst@smtplink.coh.org (Dunst,
Mordecai) writes:

>     Q)  Conventional wisdom dictates that a magnafluxed piece of 
>       ferrous metal is OK to use.  Suppose that piece of metal has been
>       used for MANY hours...under hard loads.  i.e. a buddy of mine has
>       an older airplane.  About 8,000 hrs on the engine.  He has the 
>       standard annual and has the crank magnafluxed-"OK".  He says the
>       FAA says its ok to re-use.  Is it?  
>       
>       When does a piece of metal become unsafe to re-use even if it meets 
>       specs?.  How can you tell in a cost effective way.? 
>       
>       It seems that magnafluxing is an operator dependant task i.e. someone
>       can spend a little time or a lot of time on the procedure.....
>       
>       Mordy

A magnafluxed piece from a company that's FAA approved should come with a
certificate.
Those that come from Joe magnafluxer probably will not.
Die penetrant is also widely used.

Bruce McGuire

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