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Cabin loses pressure at altitude and partial power

1. If the aircraft cabin loses pressure at altitude but manifold pressure ( MP ) is adequate, then the aircraft controls for cabin pressure may have malfunctioned. Insufficient cabin pressure at partial power, however, can indicate that the aircraft turbocharger may not be supplying air at sufficient pressure for the cabin pressure system.

2. Cabin leak.

 

 

 
 

 

 

 

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Disclaimer: sacskyranch.com contains abundant information relating to aircraft maintenance. The information provided  is not intended to supercede or supplement the F.A.A. approved  maintenance and/or operator’s manuals. Those F.A.A. approved manuals must be utilized when performing maintenance and/or operating aircraft.