Topic-icon ATA 27-62, Auto-Speedbrakes

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1 year 11 months ago - 1 year 11 months ago #533 by Mark D Francis
Intermittent EICAS failure warning of the Auto-Speedbrake system.



Found an associated relay K218 (P33 Panel) that had a bad coil. It would act like a car blinker. The coil got hot and went open. It would cool down again and activate the relay.



767-300 WDM 27-62-11
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Last edit: 1 year 11 months ago by Mark D Francis.

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1 year 10 months ago #552 by Mike Forti
Great find Mark! I like your power supply unit too. I see many videos on fixing power supply units. FETs, Diodes, and CAPs seem to be the issues.

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