Powerplant and Oil Flashcards
What is the engine make and model
PW535E
What is the engine rated thrust
3360 up to 30C
What components are mounted on the engine accessory gearbox
1) Hydraulic Pump
2) Fuel Management Unit (LP/HP pumps)
3) Oil Pump
4) Starter/ Generator
Which start malfunctions are protected by the FADEC with automatic abort?
1) Hot Start
2) Hung Start
3) No LIghtoff
When is start protection inhibited
Engine In-Flight Start
How is the FADEC normally powered
PMA (Permanent Magnet Alternator) in FMU (Fuel Management Unit) mounted to engine accessory case.
What is the alternate power source for the FADEC
respective side DC Bus
What criteria must be met in order for ATR to be armed
1) ATR selected on (avionics)
2) Thrust levers in TOGA position
What criteria must be met in order to ATR to automatically activate?
ATR Armed and one of the following
1) 20% Differential N1
2) Loss of communication between FADECs
What is the position of the following valves when the ATR is activated?
1) PRSOV - failed engine
2) PRSOV - operative engine
3) FCSOV (ECS) 1
4) FCSOV (ECS) 2
1) PRSOV - failed engine: CLOSED
2) PRSOV - operative engine: CLOSED (Open if Wing/ Stab Anti- Ice valves are open)
3) FCSOV (ECS) 1: CLOSED
4) FCSOV (ECS) 2: CLOSED
How many channels in each FADEC
Two - one active and one standby
What is the function of the active channel?
Actively controls all engine functions
What is the function of the standby channel?
Monitors all engine functions and assumes control with failure of active channel
What determines the active FADEC channel?
The active channel alternates between engine cycles
When are both ignitors commanded to operate
1) Engine In-Flight Start
2) Auto Relight
3) Ground Start with temperature below 0C
