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ENGINES/APU > Displays > Flashcards

Displays Flashcards

1
Q

Thrust mode display

A

green - N1 limit ref
— fmc not computing

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2
Q

A/T LIM?

A

FMC not providing AT system with N1 limit values. A/T using degraded N1 thrust limit from EEC.

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3
Q

Manuel N1 bugs set affect on AT?

A

NONE

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4
Q

White N1 command sectors?

A

Momentary diff actual and commanded N1. Max differenc

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5
Q

N1 Maximum Bug

A

Amber
N1 for full rated thrust
computed by EEC all phases
Upper limit for A/T

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6
Q

Thrust Reverser indication?

A

AMBER REV - TR moved from stowed position
GREEN REV - TR deployed

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7
Q

TAI indication

A

GREEN TAI - cowl anti ice valve open
AMBER TAI - cowl anti ice valve not in position related to engine anti ice switch.

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8
Q

EGT indications RED lines?

A

MAX TO limit
Max inflight start limit if start limit redline not shown

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9
Q

EGT amber band?

A

lower end - max cont EGT limit

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10
Q

EGT start limit red line?

A

until stable IDLE @ 59% N2 / 66% MAX
ground starts - some inflight start as per EEC

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11
Q

EGT readouts?

A

white - normal range
amber - max cont limit reached
**color change inhibited 5min @ TO or GA normal ops
**color change inhibited 10min @ TO or GA, if engine out condition 5min within first 5min of inhibited.
RED - Max TO limit or start limit exceed

Ground - both engines shut down - red box = exceedance.

White blinking - EEC senses condition may lead to HOT START or STALL during ground start. EEC should auto cut fuel for hot start of stall.

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12
Q

Engine fail alert

A

AMBER - engine operating below sustainable IDLE <50%N2 and ESL in IDLE.

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13
Q

ENGINE FAIL ALERT REMAINS?

A

engine recover
ESL to cutoff
engine fire switch pulled

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14
Q

CREW ALERTS

START VALVE OPEN alert?

A

amber
steady - start valve open - air supplied to started.
*blinking - uncommanded opening of start valve. Solid amber boxes in all unannunciated positions. all 3 boxes blink for 10s, then alert steady and amber boxed removed.

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15
Q

LOW OIL PRESS alert?

A

STEADY - oil P at/below red line
BLINKING - same as above

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16
Q

OIL FILTER BYPASS?

A

STEADY - impending bypass of scavenge oil filter / oil supply filter on MAX
BLINKING - same as above

17
Q

THRUST

A

AMBER
STEADY
Thrust more/less commanded TH
conjunction amber N1 command sector

18
Q

FUEL FLOW

A

amber
steady
engine FF abnormally high compared to FMC expected FUEL FLOW.

19
Q

Blinking inhibited?

A

TO - 80kts - 400ft RA or 30s after reaching 80kts(occurs first)
LANDING - below 200ft RA - 30s after touchdown
Blinking inhibited - ALERTS REMAIN STEADY!

20
Q

Secondary engine indications displayed:

A

CDS receive power / MDS MAX
Selected by MFD
INFLIGHT - ESL cutoff
INFLIGHT - engine fails
secondary engine parameter exceeds limit

21
Q

Motoring MAX?

A

Bowed Rotor Motoring (BRM), logic active during engine start on ground.

22
Q

N2 readout RED?

A

limit exceeded.
Ground, after engine shutdown - RED BOX = inflight exceedance.

23
Q

MAGENTA X BLD indication?

A

crossbleed air recommended for inflight start.Displayed when airspeed less than required for windmilling start.

24
Q

Fuel flow rate?

A

fuel flow to ENGINE.

25
Q

OIL PRESS readout/pointer?

A

white - normal
amber - caution
red - limit reached

26
Q

LOW OIL PRESS AMBER BAND

A

caution range
variable depending on N2 % RPM above 65% N2
amber band not displayed below 65% N2

27
Q

Low OIL PRESS REDLINE

A

oil press operating limit

28
Q

Oil quantity readout?

A

usable oil
LO white for low oil

29
Q

Oil quantity decrease START, TO CLIMB.

A

normal.
correct indication level flight.

30
Q

Oil quantity ZERO?

A

normal if windmilling N2 RPM below 8%

31
Q

N1 command sector, MAX?

A

AMBER
thrust more than commanded thrust
Thrust less than commanded thrust
displayed conjunction with THRUST alert for engine.

32
Q

THRUST?

A

Amber
steady -
thrust more commanded TH
Thrust less commanded Th
conjunction N1 command sector

33
Q
A

ENGINES/APU (3 decks)

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