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mandiel > 737 systems > Flashcards

737 systems Flashcards

1
Q

IDG light

A 
Low oil press in IDG due to:
# IDG fault
# ENG shutdown
# IDG auto disconnect due high oil temp
# Disconnect sw
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2
Q

TRU light

A

On ground - any TRU

Inflight - TRU 1 or TRU 2 & 3

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3
Q

Batt only powered buses

A 
# DC STBY BUS
# AC STBY BUS
# hot batt bus
# hot batt sw bus
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4
Q

BATT only systems

A

Inst: 1# VOR, ADF, COM, ILS, GPS, TRANSPONDER, DME, IRS,FMC
LEFT PFD, ND UPPER DU
ENG: REVERSER, R ING
LDG: INBD ANTISKEED, LDG INDICATION, AIR/ground logic
Anti ice: left prob heat
Fire: fire warnings and extinguishers, shutoff valves HYD & FUEL
WARNINGS: stall, aural, master caution

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5
Q

Auto ignition

A

Start lever in idle and:
Both IGN - N2 decreases below 57 - 50 or rapid decrees of N2
Selected IGN - flaps not up below 18,000 or eng anti ice

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6
Q

EEC CONTROL

A

All ENG indication except for oil Q and fuel valves

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7
Q

Fire sw up operates

A 
# arm fire squibs
# closes fuel, HYD & bleed valves
# disable reverser
# trip generator
# deactivate EDP low press light
# allow fire sw to rotate
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8
Q

STBY HYD systems

A 
Auto operation:
# ATL flaps is ARM
# loss of sys A or B &
# flaps extended &
# airborne &
# FLT cont sw is on
Or FFM PCU trips
Systems:
# rudder
# yaw dumper
# LE flaps
# reverser both
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9
Q

ELEV FEEL DIFF SYS

A

Simulate aerodynamic forces

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10
Q

ELEV FEEL DIFF Lt

A

Excessive different press is felt in feel diff computer

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11
Q

Mach trim

A

Operates above 0.615m
Effect the ELEV Chang position to regales loads
Light on during MC recall - single FCC fault

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12
Q

Speed trim

A

Improves flight characters during slow air speed & low wight, aft CG and high power.
With AP disengaged

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13
Q

Flaps load relief

A

Protect flaps placard speed
Most 800 from 30 to 25 & from 40 to 30
900 & SFP all flaps up to 10 to 5

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14
Q

Auto slats

A

Operates in high angle of attack with TE flaps at 1 or 5
Sluts move automaticity to full extant

For 900 & SFP TE flaps from 1 to 25

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15
Q

Flaps protection

A

Asymmetry
Skew
Uncommanded movement protection

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16
Q

HYD leaks in A, B or STBY sys

A 
A sys:
# leak in EDP or related - oil drops to 20%
# leaks in elec pump or line - oil drops to 0%
B sys:
# either pumps - oil drops to 0%
# stand pipe is good for PTU OPS
STBY:
# low quantity LT when half empty
# system B will stabilized at 72%
17
Q

PTU operation

A 
Power transfer unit auto function when:
# Operates when EDP press is lost
# flaps less then 15
Supply additional HYD volume to operates sluts & LE flaps
18
Q

LDG Transfer unit

A 
Conditions:
# airborne
# N1 ENG no 1 drops
# LDG lever is up
# either gear is not up
Uses system B HYD
19
Q

Landing configuration horn

A

Flaps between 0 - 10 and below 800 and thrust close
Flaps between 15 - 25 and thrust close
Flaps between 30 - 40

20
Q

White bug

A

TO - V2 + 15 - Limit bank angle to 15° until reaching V2 + 15 knots. A maximum bank angle of 30° is permitted at V2 + 15

LDG - Vref + 20 - provides target airspeed which allows sufficient tail clearance margin during a one engine inoperative flaps 15° landing

21
Q

Automatic load shading

A

Main bus + galley 2
Main bus + galley 1
IFE
APU load shed only inflight

22
Q

Auto speed brakes from DOWN position

A

main landing gear wheels spin up (more than 60 kts)

  • both thrust levers are retarded to IDLE
  • reverse thrust levers are positioned for reverse thrust.
23
Q

Auto speed brakes during landing

A

SPEED BRAKE lever is in the ARMED position

  • SPEED BRAKE ARMED light is illuminated
  • radio altitude is less than 10 feet
  • landing gear strut compresses on touchdown

Note: Compression of any landing gear strut enables the flight spoilers to deploy. Compression of the right main landing gear strut enables the ground spoilers to deploy.

  • both thrust levers are retarded to IDLE
  • main landing gear wheels spin up (more than 60 kts).
24
Q

Spoilers switches on flight control panel

A

ON (guarded position) – normal operating position. OFF – closes the respective flight spoiler shutoff valve.

Note: Used for maintenance purposes only.

25
Q

Standby rudder switches

A

STBY RUD - activates standby hydraulic system pump and opens standby rudder shutoff valve to pressurize standby rudder power control unit.

OFF - closes flight control shutoff valve isolating ailerons, elevators and rudder from associated hydraulic system pressure.

ON (guarded position) - normal operating position.

26
Q

Start valve open (upper DU)

A

steady – respective engine start valve open and air is supplied to starter

• blinking – uncommanded opening of start valve. Alert is displayed and solid amber boxes are displayed in unannunciated positions for that engine. All three boxes blink for ten seconds, then alert remains on steady and solid amber boxes are removed

Blink inhibit:
during takeoff from 80 knots to 400 feet RA, or 30 seconds after reaching 80 knots, whichever occurs first

  • during landing below 200 feet RA until 30 seconds after touchdown
  • during periods when blinking is inhibited, alerts illuminate steady.
27
Q

Low oil pressure (upper du)

A

steady – oil pressure at or below red line

• blinking – with a condition of low oil pressure. Alert is displayed and solid amber boxes are displayed in unannunciated positions for that engine. All three boxes blink for ten seconds, then alert remains on steady and solid amber boxes are removed

Blink inhibit:
during takeoff from 80 knots to 400 feet RA, or 30 seconds after reaching 80 knots, whichever occurs first

  • during landing below 200 feet RA until 30 seconds after touchdown
  • during periods when blinking is inhibited, alerts illuminate steady.
28
Q

Oil filter bypass (upper du)

A

steady – indicates an impending bypass of scavenge oil filter

• blinking – with an impending bypass. Alert is displayed and solid amber boxes are displayed in unannunciated positions for that engine. All three boxes blink for ten seconds, then alert remains on steady and solid amber boxes are removed (see Note).

Blinking inhibited:
during takeoff from 80 knots to 400 feet RA, or 30 seconds after reaching 80 knots, whichever occurs first

  • during landing below 200 feet RA until 30 seconds after touchdown
  • during periods when blinking is inhibited, alerts illuminate steady.
29
Q

FMC Max Altitude 900
Max-t
Max- b

A

“- T” when available thrust is the limiting criterion

“- B” when buffet margin is the limiting criterion

30
Q

Fuel Temp indicator

A

Indicates fuel temperature in No. 1 tank.

mandiel (7 decks)

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