ECU Failure Errors in Flight

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mbitran
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Re: ECU Failure Errors in Flight

Post by mbitran »

That's exactly what it was - it was the waste gate controller actuator. The actuator was replaced and the plane is now back in service - no further problems.
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VickersPilot
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Re: ECU Failure Errors in Flight

Post by VickersPilot »

Did you file an SDR? I think it’s important that if the SBs relating to the waste gate controller haven’t corrected the issues, they should be recorded.
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UTMark
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Re: ECU Failure Errors in Flight

Post by UTMark »

UTMark wrote:
Mon Aug 30, 2021 1:47 pm
I’ve run into ECU Failures on takeoff now multiple times. They all ended up being non-latched, but I noticed that it typically has occurred for us on takeoff roll in really hot OATs (last one was last week out of St. George at 41C). I need to get my log files and send them in… which is a challenge because I don’t have a local mechanic with the cables/laptop to do that. Our errors cleared by switching over to the suspected back ECU.
Some of you are having worse symptoms than I am... I'm sorry for that.

I took off today out of Scottsdale. OAT was 110... but my co-pilot reminded me of something: Whenever we've turned off the RACC for takeoff, we haven't had that issue. And we were always having it on the left engine ECU. So we tested the theory today. Turned on the RACC for startup/taxi... turned it off right before takeoff, and back on again after we entered the climb phase of flight, and had no ECU failures.
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Karl
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Re: ECU Failure Errors in Flight

Post by Karl »

UTMark wrote:
Mon Aug 30, 2021 1:47 pm
I’ve run into ECU Failures on takeoff now multiple times. They all ended up being non-latched, but I noticed that it typically has occurred for us on takeoff roll in really hot OATs (last one was last week out of St. George at 41C). I need to get my log files and send them in… which is a challenge because I don’t have a local mechanic with the cables/laptop to do that. Our errors cleared by switching over to the suspected back ECU.
Have you completed MSB E4 029?

It is for damping pressure fluctuations in the MAP.
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