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A family of twin-engine regional jets produced (originally by Bombardier, now by Mitsubishi Heavy Indstries) from 1991 until the present.

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What is the reason for this engine oil service procedure on a Bombardier CRJ?

The Aircraft Flight Manual or Flight Crew Operating Manual will specify the timeframe during which engine oil may be checked after engine shutdown. For the CF34-3B engine on a Challenger 605, checking …
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