12 Year Structural Inspection

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eHotAir
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12 Year Structural Inspection

Post by eHotAir »

Has anyone heard about the process and cost of a 12 year structural inspection? Mine will be coming up next year.
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rhoab
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Re: 12 Year Structural Inspection

Post by rhoab »

eHotAir wrote:Has anyone heard about the process and cost of a 12 year structural inspection? Mine will be coming up next year.
Where do you see this requirment referenced?
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Re: 12 Year Structural Inspection

Post by eHotAir »

I heard from another pilot it was a requirement. I haven't found it either.
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Chris B
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Re: 12 Year Structural Inspection

Post by Chris B »

eHotAir wrote:Has anyone heard about the process and cost of a 12 year structural inspection?
Hi Doug -

I suspect that you are referring to the wing spar AD. See this DAN thread: link
Wing Spar AD wrote:<snip>
Unless already done, at or before the next Major Structural Inspection (MSI) after the effective date of this AD or within the next 114 months after January 7, 2014 (the effective date of this AD), whichever occurs first, modify the aft main spar in the cabin area following the INSTRUCTIONS section of Diamond Aircraft Industries GmbH Work Instructions WI-MSB 40-074, WI-MSB D4-094, and WI-MSB F4-028 (co-published as a single document), dated May 10, 2013, as specified in Diamond Aircraft Industries GmbH Mandatory Service Bulletins (MSB) 40-074, D4-094, and F4-028 (co-published as a single document), dated May 10, 2013.
<snip>
The work is straightforward and involves applying a small 6-layer carbon fiber patch on each end of the aft spar inside the cabin. Any competent shop that is familiar with composites should be able to handle this. Note that the shop will need a temperature controlled environment to conform to the curing profile. The easiest solution is to whip-up a "hot-box" using a Johnson Controls A419 controller ($70 delivered), hair dryer, cardboard and tape.

The expensive part is international "hazmat" shipping for the 2-part epoxy, which - even when mixed - only cures in the presence of sustained elevated temperatures! So the carbon fiber cloth and epoxy are only $80, but the shipping is $210... :roll:

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Re: 12 Year Structural Inspection

Post by eHotAir »

Thanks Chris. You are probably correct.
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Re: 12 Year Structural Inspection

Post by Lance Murray »

Remember that Chapter 5 items are not mandatory for US N registered aircraft. They are recommendations but not mandatory.
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Re: 12 Year Structural Inspection

Post by rwtucker »

Chris - Where did you get the epoxy?
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Chris B
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Re: 12 Year Structural Inspection

Post by Chris B »

rwtucker wrote:Chris - Where did you get the epoxy?
Hi Robert -

I bought it from Diamond via Premier. I am sure that there are other very good Diamond service centers, but Brittany makes everything *very* easy. If she doesn't know the P/N or there is any uncertainty, she pings the service team for details and recommendations. She also follows-up to make sure everything arrived OK.

Note that I have not yet performed this AD. The plan is to roll this into the next annual when everything comes apart anyway.

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Charles K
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Re: 12 Year Structural Inspection

Post by Charles K »

I second that Brittany at Premier is awesome and I buy my parts from them as well.
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Re: 12 Year Structural Inspection

Post by Jean »

rhoab wrote:
eHotAir wrote:Has anyone heard about the process and cost of a 12 year structural inspection? Mine will be coming up next year.
Where do you see this requirment referenced?
Here:
DA 40 Series AMM
1. General
AIRCRAFT
Section 05-10 Time Limits
Time Limits and Maintenance Checks
....
Major Structural Inspection (MSI).
At 2000 hours since new and every 2000 hour intervals or 12 years, that which comes first.
± 2.5 %
% %
Doc # 6.02.01 05-10-00 Page 1
Attachments
60201-r6-DA40-AMM-complete.pdf
(53.03 KiB) Downloaded 523 times
40.446, G1000, KAP 140, Hartzell Metal
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