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Posted

If the MSC refused to mount retreads, does that mean if retreads were already mounted on the aircraft (pilot approved mx) the MSC would refuse to sign off the annual? Would they sign the annual and squawk the retreads as deferred mx? Good grief.

There's nothing wrong with retreads as long as they fit in the wheel well. A retraction on the ground wouldn't be a bad idea after any tire change regardless if retreads or new tires are mounted. I would want to make sure I fly enough that I wear the tread out before retread sidewalls start to weather check. Hangaring the airplane will help with extending sidewall longivity.

I spent 28 years in the USAF in aircraft mx. Yes, there are serial numbers on tires, both new and retreads. Did we record tire serial numbers in the aircraft forms? No. Did we know the history of a tire before we put it on the aircraft? No, but for the number of times it had been retreaded. C-135 tires were limited to five retreads, as I remember. It was stamped on the sidewall. The only reason for serial numbers on tires is if there is a problem with a batch of tires so that a TCTO can be published and then mx goes out looking for tires with those serial numbers, aircraft by aircraft. When a carcass is received at the retread facility, it's inspected and if it passes, gets a new tread, inspected again, and is sent back out to the field, with a new serial number. Beyond the number of times a tire has been retreaded, and the date of the last retread, there's not a lot of specific historical information. Things like number of landings, gross weight take-offs, hard landings, nobody knows.

Posted

The last tire I bought was an AIR HAWK 600-6, for the mains.  I've been very happy with it's performance.  I've been even happier with the leakguard butyl tubes. My old tire constantly needs air after a few weeks.  The butyl tube never seems to need air.  The tubes are expensive at $40+, and your supposed to change them when you change the tires.

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