Do those of you whom have pressure gauges installed to monitor hydraulics find a gradually drop in pressure and then a stablisation of pressure ?

I have recently had a gauge installed in the high pressure line and on the first flight found the pressure builds to approx 1500 then drops back to 1300 psi. The nose gear door then dropped open. I put the gear down in flight and then retracted. The pressure seemed to hold a bit better but I will need another test fly to confirm and if not then it's back to looking for leaks.

Is this likely to be just air in the system since the lines have been cracked?

Also does anyone know if there is a place in Australia where the hydraulic pump can be inspected?

--
Gerard O Connell
Melbourne, Australia
VH-LPD (LNC2)



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