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Update: A 737's main display went full disco mode during a pre-flight check in Dallas yesterday
The screen just started cycling through every color in the rainbow, so I had to pull the circuit breaker and run the whole BITE test again, which took an extra 40 minutes before we could push back.
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milarodriguez2mo ago
Ugh, that rainbow effect is a classic sign... next time, try pulling the display unit itself first, not just the breaker. The connector pins on the back can work loose and cause that exact color cycle. Saved me a full BITE test more than once.
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jordank522mo ago
My old Civic's dashboard did that once, just before the alternator died completely.
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