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B1 Modules > Maintenance Practices M7.18 > Flashcards

Maintenance Practices M7.18 Flashcards

1
Q

What is primary structure

A

Highly stressed

If damaged may result in loss of aircraft

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2
Q

What is LAMP

A

Light Aircraft Maintenance Program

CAA say how often certain checks must be done

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3
Q

What is LAMS

A

Non EASA light aircraft

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4
Q

What is corrosion level definition Level 1

A

Regularly found - no change in program required

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5
Q

What is corrosion definition Level 2

A

Program not effective - needs amendment

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6
Q

What is corrosion level 3

A

Most serious

Program not effective and all aircraft in fleet must be checked

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7
Q

What happens when bearings are overlubricated

A

CHURNING

High temps can occur which is a fire hazard

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8
Q

What are the two main bearing defects

A
  • False brinelling
  • True Brinelling
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9
Q

What is elyptical wear marks in an axial direction on a bearing

A

False brilelling

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10
Q

What is it called when bearings have static overload or severe impact

A

True brinelling

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11
Q

After cleaning bearings what must be done

A

They must be re greased within 2 hours

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12
Q

What must be done if a component has intergranular corrosion

A

Must be replaced

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13
Q

What type of endoscope must be used in a heat sensitive area

A

2nd type because they provide cold light

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14
Q

What is a type 1 endoscope

A

Fixed

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15
Q

What is a type 3 endoscope

A

Flexible

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16
Q

What is allowable damage within the damage classifications

A

Slight or little insignificance

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17
Q

What is non allowable damage

A

Exceeds allowable damage

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18
Q

What is non repairable damage

A

Replacement

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19
Q

What are the main corrosion removal techniques

A
  • By hand for light corrosion
  • wire brush (stainless or aluminium only
  • grinding wheels (not on ally)
  • abrasive blasting
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20
Q

What is abrasive blasting used for

A

To remove filiform corrosion

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21
Q

When blending titanium what must you have on standby

A

Non water based fire extinguisher

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22
Q

What is CAA surface protection

A

Chromic Acid Anodising

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23
Q

What is CCC surface protection

A

Chemical Conversion Coating

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24
Q

How many layers of paint do airbus aircraft have

A

3

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25
Q

How many layers of paint do Boeing airbus have

A

2

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26
Q

What are the 3 types of surface protection repair

A
  • Fixing
  • partial
  • Basic renewal
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27
Q

What type of paint must be avoided on antennas

A

Electrically conductive

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28
Q

What corrosion protection substance must not be used near oxygen

29
Q

What must cover 75% of countersinks

A

Electrically conductive paint

30
Q

What is the most common water repellant

31
Q

What shows up when doing Die pen if there is a crack

A

Red line or red dots

32
Q

Can there still be a crack if nothing shows during die pen

33
Q

What ray is better picture than gamma ray

A

X ray more isotopes

34
Q

What are the disadvantages of x ray

A
  • Everyone must be evacuated
  • users require health check
35
Q

What is eddy current used for

A

For surface and just beneath surface flaws

36
Q

Does eddy current require paint removal

37
Q

What type of materials can eddy current only be used on

A

Conductive materials only

38
Q

What is ultrasound used for

A

Below surface flaws in all solid material

39
Q

How does ultrasound work

A

Uses a transducer to convert sound energy into electrical energy to produce a picture

40
Q

What is a fibroscope

A

Flexible and produces cold light

41
Q

What are the benefits of FPVVA

A

Flexible probe video visual aid

  • Flexible
  • You can take pictures
  • Reduces eye strain
  • Stronger light source
42
Q

What must be done after using the magnetic flaw detection process of NDT

A

Must de magnetise component afterwards

43
Q

Is weight distribution more critical in small or large aircraft

44
Q

In a small aircraft if the pilot is flying solo how does he know where to sit in relation to weight and balance

A

There should be a placard on the instrument panel

45
Q

What is the aircraft max weight

A

The ac itself, pax, baggage, fuel

46
Q

What is basic weight Empty

A

Complete aircraft with all closed system fluids but no fuel

47
Q

What is disposable load

A

Pax, baggage, fuel

48
Q

What is payload

A

Pax bags freight

49
Q

What must be done to aircraft with less than 10 pax and helicopters with les than 6 pax

A

Must employ weight and balance

50
Q

Aircraft with how many pax and above have standards weight amounts for pax

A

20 pax

88kg for male 70kg for female

51
Q

On swept wing and large aircraft how is the centre of gravity determined

A

% of mean aerodynamic chord

52
Q

What can effect MATOM and MALM

A

Environmental conditions

53
Q

If an aircraft gets stuck in soft ground how would you get it out

A

With a towing arm and bridle

54
Q

What is the max towing speed for an aircraft with doors locked or been removed with a tow bar

55
Q

What’s the max tow speed with doors open but with tow bar

56
Q

What’s the max tow speed with out tow bar

57
Q

If parking an aircraft but not for more than 12 weeks what is vital that must be done

A
  • Fill fuel tanks to at least 90% to prevent Gladys
  • Water drains 1 hour after fuelling
58
Q

Can turbine engines run on avgas

59
Q

Can piston engines run on jet fuel

60
Q

When fuelling how far away should the no smoking zone be

61
Q

How far should the fuelling zone be when fuelling

62
Q

What is Deicing

A

Removing ice or frost

63
Q

What is Anti icing

A

Preventative measure

64
Q

What is a cold soaked condition

A
  • If OAT is less than 0°
  • No ground power
  • No air con
65
Q

What is holdover time

A
  • Starts as soon as spraying starts
  • Affected by OAT
  • Severity of weather
  • Type of fluid
66
Q

Out of type 1,2 and 4 which fluid is Newtonian

67
Q

What fluids are non Newtonian

68
Q

What is the worst kind of ice

69
Q

What does Glaze ice look like

A

Glassy deposit

B1 Modules (19 decks)

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