ATA 20 (B777 AMM - Part 2) Flashcards
Which statement is NOT correct for Lockwire Procedure: (A, B1, B2)
a. Do not use lockwire more than twice
b. Install lockwire so it is in tension when the parts become loose.
c. Make three to six twists at the end of the wire. Bend the twists back or under to give the ends protection so they will not catch something.
A
When you replace or install components on the lighting systems in fuel flammable leakage areas, seal the following uninsulated items: (B1, B2)
a. the generator terminals on the engines or APU.
b. the dual grounds in the flammable leakage areas or the wire junctions in fuel tanks.
c. Lamp terminals, Terminal strips, Circuit breakers, Transformers, Switches, Hardwire, Wire junctions.
C
Off-airplane Data Loading means: (B2)
a. the software loading of an LRU off the airplane
b. the software loading of an LRU with airplane power off.
c. the software loading of an LRU with other associated systems power off
A
To install AIMS software, the use of the MAT and the PMAT at the same time: ( B2)
a. is impossible.
b. is possible
c. depends on the type of software.
B
On the MAT display, the piece of software to be installed is known as: (B2)
a. the Data Load.
b. the Data Source.
c. the Load Part Number
C
Static grounding is necessary if: (A, B1, B2)
a. the airplane is parked for turnaround flight and no maintenance is to be done.
b. the airplane is parked over painted surfaces
c. as long as the conductivity of the airplane and the parking site are adequate
B
LRUs, which are identified as ESDS, are: (B2)
a. electronic Line Replaceable Units containing micro-circuits and other sensitive devices which can be damaged internally by electrostatic discharges
b. all electrical devices that are installed on the airplane.
c. electronic Line Replaceable Units that belong to navigation systems.
A
When handling ESDS printed circuit board, what you must do first: (B2)
a. Make sure electrical power is removed from the aircraft.
b. Make sure electrical power is removed from the printed circuit board
c. do a resistance test of the static control wrist strap,
B*
For the ESDS Units Handling, the conductive dust caps and the connector covers from the installed unit: (B2)
a. can be used on the removed unit
b. can not be used on the removed unit.
c. must be kept in the protective bag.
A
Tripped Circuit Breaker can be reset: (B2)
a. at any time for maintenance and troubleshooting purpose.
b. only when you know the cause for the tripped circuit breaker and that the circuit breaker canbe safely reset
c. whenever you cannot determine the cause for the tripped circuit breaker.
B
To perform a detailed inspection of the wire bundles, you need to: (B2)
a. to pull on the wire bundles, shake the wire bundles,
b. to disconnect the connectors.
c. to remove panels as necessary to gain access to the wiring
C
When bolt part number and nut part number use different torque value tables, to perform torque (B1)
a- torque value of bolt to be used
b- torque value of nut to be used
c- the lower torque value to be used
B*
When one torque wrench is not suitable for torque we can (B1)
a- use other suitable and certified torque wrench
b- use adapter but we need correct the toque value
c- a or b
A
How to find out broken wire of control cable (A, B1, B2)
a- rub along cable by hand to find out broken wire
b- rub along cable by a cloth, the cloth will catch any broken cable
c- remove cable
B
What type of locking wire is to be used on emergency equipment
(A, B1, B2)
a- stainless steel wire
b- plastic tie
c- copper wire
C
What is correct for locking wire practice (A, B1, B2)
a- do not use locking wire more than once
b- install locking wire so it is in tension when the parts become loose
c- install locking wire so it is not in tension when the parts become loose
d- a and b
D
What is purpose of the index line on the sides of flexible hoses (B1)
a- to indicate the length of the hose
b- to check the hose correct alignment and make sure the hose is not twisted
c- to indicate the diameter of the hose
B
What is correct for flexible hose installation (B1)
a- tighten the hose fitting by hand only
b- check the hose alignment and tighten the hose fitting with one wrench
c- tighten the hose fitting by hand firstly, check the hose alignment and tighten the hose fitting with two wrenches to prevent hose twisting
C
What is not correct for O- ring installation (A, B1, B2)
a- O-ring is lubricated with fluid used with component or system prior installation
b- Used O-ring may be reused again
c- O-ring must be aligned, not twisted and pinched before gland closing
A*
What is correct for control cable tension check (B1)
a- tensionmetter applied to any position of cable to check cable tension
b- tensionmetter applied to cable at least 6 inches from turnbuckle or other fitting to check cable tension
c- let airplane minimum one hour in constant ambient temperature for airplane temperature to be stable
d- b and c
D*
What is correct for adjustment of cable tension (B1)
a- use cable turnbuckle
b- change pulley position
c- change cable quick stop
A
