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19 May 2022, 17:58 [ UTC - 5; DST ]


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 Post subject: Re: Flying the TBM 850
PostPosted: 14 Jan 2022, 11:21 
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Username Protected wrote:
I know that TBM aircraft are expensive to maintain but I just got my 900 out of a B+annual and it was 26K and I only had main tires installed during the last year..We flew it 175 hours and did not cancel any trips in the last year..The annual was done at a TBM service center.


Very nice Jack. Gotta smile with no AOG, speed, capability’s and comfort away from V mandates and masks. That’s a good Annual cost but a very new aircraft.

Congrats on owning and flying the Porsche of the sky.

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 Post subject: Re: Flying the TBM 850
PostPosted: 14 Jan 2022, 13:09 
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So it that a good annual cost as in "whew got off easy on my brand new plane this year!"

or is that a good annual cost as in "whew thats a good (chuck of change $$$$$$$$$$$) for an annual that they found nothing wrong besides a pair of tires but i'm flying a porsche what are we going to do eh? "


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 Post subject: Re: Flying the TBM 850
PostPosted: 14 Jan 2022, 13:17 
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Username Protected wrote:
So it that a good annual cost as in "whew got off easy on my brand new plane this year!"

or is that a good annual cost as in "whew thats a good (chuck of change $$$$$$$$$$$) for an annual that they found nothing wrong besides a pair of tires but i'm flying a porsche what are we going to do eh? "


the last 2 annuals I saw in the 850 were similar. both at authorized service centers.

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 Post subject: Re: Flying the TBM 850
PostPosted: 14 Jan 2022, 13:33 
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Thanks Gary!


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 Post subject: Re: Flying the TBM 850
PostPosted: 14 Jan 2022, 14:03 
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Username Protected wrote:
or is that a good annual cost as in "whew thats a good (chuck of change $$$$$$$$$$$) for an annual that they found nothing wrong besides a pair of tires but i'm flying a porsche what are we going to do eh? "

The way I read it is that the tires were additional (and the only) expense to the annual during the year.

So I read it more as a 'we deferred everything to annual, although we didn't loose any flights so there apparently wasn't anything really to defer and the cost of normal annual was $xx'

That can be read many different ways depending on fullness of your glass :)


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 Post subject: Re: Flying the TBM 850
PostPosted: 14 Jan 2022, 14:49 
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Joined: 08/24/13
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Company: Aviation Tools / CCX
Location: KSMQ New Jersey
Aircraft: TBM700C2
My B+ 2 years ago at a TBM service center was ~$25K. Base inspection $8K. 2 year tail fitting inspection $2991, new pitot tube $2.1K, new brake pads $3.1K, new main tires $1.4K, and a lot of misc items.

My A+ last year I did myself, about 50 hours, a couple $K parts.

I'm just finishing up my C+ and 10 year gear inspection, will have about 160 hours in it and $5K in parts.


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 Post subject: Re: Flying the TBM 850
PostPosted: 14 Jan 2022, 16:41 
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Jeez that’s better, I was reading it as nothing broke nothing needed fixed but tires and I spent 24.5 on INSPECTION/minutia.

Hourly my twin averages more than that in maintenance, just gotta crest the capital hump I guess.


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 Post subject: Re: Flying the TBM 850
PostPosted: 14 Jan 2022, 16:43 
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Jeez that’s better, I was reading it as nothing broke nothing needed fixed but tires and I spent 24.5 on INSPECTION/minutia.

Hourly my twin averages more than that in maintenance, just gotta crest the capital hump I guess.


For terry- I was under the impression that owners get crucified at sale time without continuous service center maintenance history any insight on that?

A and B models are getting older and owners or prospective owners like me have to be thinking of running engines past TBO and some non service center inspection years.


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 Post subject: Re: Flying the TBM 850
PostPosted: 14 Jan 2022, 17:36 
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Username Protected wrote:
For terry- I was under the impression that owners get crucified at sale time without continuous service center maintenance history any insight on that?


Definitely a consideration, but I am maintaining ALL the schedule items so I don't expect a hit. I know of another TBM that sold recently that was not service center maintained and there were a lot of inspection/overhaul items skipped, and the price reflected that. The buyer didn't give any demerits on service center or not, but did due to the skipped items.

I'm really glad I am maintaining mine. I have found 4 major issues that were service center caused:

1) Poorly sealed WSI antenna on top of fuselage that caused corrosion

2) Chip Detector mod where the wire to the annunciator panel was not tied to the bundles and was too short.

3) A wire splice in the ground safety switch that was installed right where the left main weight-on-wheels wiring flexed. That's a big no-no for wiring. It broke right at the splice (I suspect the splice was needed when they cut the tie-wrap securing the bundle to the gear). I replaced the wire several feet past the flex point.

4) Left inertial separator ejector duct was not installed properly. There is a rubber seal that the outlet of the intake assembly fits into. It was just butted against the duct and the seal was malformed. I had to replace the seal to get it to fit properly.

And the fuselage bays under the floor were some of the dirtiest I have ever seen. The same service center was maintaining it for the previous 17 years. Unacceptable that they can't vacuum when they have the floorboards up every year.

But yeah, someone will say it is worth less due to the last few years being maintained by me, but I know it will get better maint that way.


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 Post subject: Re: Flying the TBM 850
PostPosted: 15 Jan 2022, 10:31 
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I don’t think service center maintenance matters nearly as much as the calendar items. For for those thinking that the TBM is their last airplane, some of the items might reasonably be deferred. Or, you can spread the items out to reduce the pain. For example, if all three gear actuators are due at 10 years, do one at year 10, the next one at 11, the next one at 12. There is also another company besides Thalles that does starter/gen overhauls, for substantially less money. I also heard a rumor that guy in Raleigh is working on an STC for a Honeywell starter.

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 Post subject: Re: Flying the TBM 850
PostPosted: 15 Jan 2022, 11:03 
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Company: Aviation Tools / CCX
Location: KSMQ New Jersey
Aircraft: TBM700C2
Username Protected wrote:
I don’t think service center maintenance matters nearly as much as the calendar items. For for those thinking that the TBM is their last airplane, some of the items might reasonably be deferred. Or, you can spread the items out to reduce the pain. For example, if all three gear actuators are due at 10 years, do one at year 10, the next one at 11, the next one at 12. There is also another company besides Thalles that does starter/gen overhauls, for substantially less money. I also heard a rumor that guy in Raleigh is working on an STC for a Honeywell starter.


My starter-generator was overhauled by these guys https://cssmfginc.com , the service center sent it out (well before I owned it)

The TBM is very well supported by Daher for non-Service Center maintenance. Most of the CMMs are published for free to the owners.

A short list of the CMMs:

Gear (Messier-Dowty)
Starter-Generator
Brakes
Wheels
Gear actuators

The only manuals I had to pay for were from Pratt & Whitney


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 Post subject: Re: Flying the TBM 850
PostPosted: 17 Feb 2022, 18:12 
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Joined: 12/18/13
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Company: Gray
Location: Lexington, KY
Aircraft: C-210N
Just did my first Single Pilot trip in the TBM 850. The instructors had scared the crap out of me regarding landings and prop strikes.

I have a few hundred hours time in King Airs, but routinely fly my 210N.

After the light bulb came on and I figured out that proper use of the AOA significantly improves the quality of your landings.

Anyway, Damn, what an airplane!

If it just wasn’t so expensive to own and operate.

Fly Safe!


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 Post subject: Re: Flying the TBM 850
PostPosted: 17 Feb 2022, 19:26 
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Username Protected wrote:
Just did my first Single Pilot trip in the TBM 850. The instructors had scared the crap out of me regarding landings and prop strikes.

I have a few hundred hours time in King Airs, but routinely fly my 210N.

After the light bulb came on and I figured out that proper use of the AOA significantly improves the quality of your landings.

Anyway, Damn, what an airplane!

If it just wasn’t so expensive to own and operate.

Fly Safe!


Steve-

you're being conservative with your power settings. I will see as much as 315 at FL240, and the temps are cool when that low.

my landings got markedly better when I learned to leave the power setting at 8-10% in the flare.

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Last edited on 18 Feb 2022, 07:07, edited 1 time in total.

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 Post subject: Re: Flying the TBM 850
PostPosted: 17 Feb 2022, 23:47 
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Joined: 08/10/14
Posts: 1639
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Location: Northwest Arkansas (KVBT)
Aircraft: TBM850
Username Protected wrote:
Just did my first Single Pilot trip in the TBM 850. The instructors had scared the crap out of me regarding landings and prop strikes.

Did your instructors describe the stabilized approach criteria talked about in TBMOPA?

They are easily tracked with the G1000 and displayed in the Me&MyTBM app along with FlySto.net


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 Post subject: Re: Flying the TBM 850
PostPosted: 18 Feb 2022, 19:34 
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Joined: 12/18/13
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Company: Gray
Location: Lexington, KY
Aircraft: C-210N
Yes, drilled it into our heads, but spooked us nonetheless. Just gotta be patient and wait for it.

Great plane.


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