Topic-icon ATA 27-62, Auto-Speedbrakes

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4 years 2 weeks ago - 4 years 2 weeks ago #533 by Mark
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: 4 years 2 weeks ago by Mark.

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3 years 11 months ago #552 by jake ounce
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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