_Viking_
1st Oct 2018, 19:29
Hello all,
In the QRH for HYDRAULIC PUMP OVERHEAT on the max it states that the electric hydraulic pump (associated with the overheat light) should be turned off, as expected. Then, hydraulic pressure should be checked and if above 3300 psi, the engine driven hydraulic pump should be shut off as well leaving the crew with a Loss of System A or B situation.
Does anyone know the reason for the later step regarding turning the engine driven pump off above 3300psi? Hard to find any info on this in the FCOM...
In the QRH for HYDRAULIC PUMP OVERHEAT on the max it states that the electric hydraulic pump (associated with the overheat light) should be turned off, as expected. Then, hydraulic pressure should be checked and if above 3300 psi, the engine driven hydraulic pump should be shut off as well leaving the crew with a Loss of System A or B situation.
Does anyone know the reason for the later step regarding turning the engine driven pump off above 3300psi? Hard to find any info on this in the FCOM...