Maintenance Matters

February 2012 Issue

Fuel Tank Reseal: Thankless, Expensive

Not many shops will agree to tackle this job, so the skill base is eroding. But there are still choices when tank weepage gets out of control.

One of the unfortunate side effects of slow aircraft sales has been an erosion in the maintenance base. Many smaller shops have disappeared and some of those that remain are either losing the ability to do some kinds of work or are just declining to accept it. One maintenance procedure on the chopping block has been the resealing or repair of wet wing fuel tanks, especially in Mooneys, but in a few other models as well. At best, repairing weeping wet-wing tanks is a dark art, at worst, it’s something some owners say they have to have done several times to stop the leaks, if even the leaks can be stopped.

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