February 26, 2008

Maintenance/pilot info, oil DPI on a TFE731-3A-2B (Learjet 55)

Description/caption of each picture is immediately below the picture.

This is the oil bypass/differential pressure indicator. This tells me that oil is bypassing the filter (clogged, et cetera). In this particular case, oil pressure went above 55 PSI during an engine start in below freezing temperatures. This is what the DPI looks like when it is popped.

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