Maintenance Practices M7.18 Flashcards

1
Q

What is primary structure

A

Highly stressed

If damaged may result in loss of aircraft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is LAMP

A

Light Aircraft Maintenance Program

CAA say how often certain checks must be done

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is LAMS

A

Non EASA light aircraft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is corrosion level definition Level 1

A

Regularly found - no change in program required

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is corrosion definition Level 2

A

Program not effective - needs amendment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is corrosion level 3

A

Most serious

Program not effective and all aircraft in fleet must be checked

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What happens when bearings are overlubricated

A

CHURNING

High temps can occur which is a fire hazard

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the two main bearing defects

A
  • False brinelling
  • True Brinelling
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

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

A

False brilelling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

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

A

True brinelling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

After cleaning bearings what must be done

A

They must be re greased within 2 hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What must be done if a component has intergranular corrosion

A

Must be replaced

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

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

A

2nd type because they provide cold light

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is a type 1 endoscope

A

Fixed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is a type 3 endoscope

A

Flexible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is allowable damage within the damage classifications

A

Slight or little insignificance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is non allowable damage

A

Exceeds allowable damage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is non repairable damage

A

Replacement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is abrasive blasting used for

A

To remove filiform corrosion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

When blending titanium what must you have on standby

A

Non water based fire extinguisher

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is CAA surface protection

A

Chromic Acid Anodising

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is CCC surface protection

A

Chemical Conversion Coating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

How many layers of paint do airbus aircraft have

A

3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

How many layers of paint do Boeing airbus have

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What are the 3 types of surface protection repair

A
  • Fixing
  • partial
  • Basic renewal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What type of paint must be avoided on antennas

A

Electrically conductive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What corrosion protection substance must not be used near oxygen

A

Dinitrol

29
Q

What must cover 75% of countersinks

A

Electrically conductive paint

30
Q

What is the most common water repellant

A

Dinitrol

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

A

Yes

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

A

No

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

A

Small

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

A

25kph

55
Q

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

A

10kph

56
Q

What’s the max tow speed with out tow bar

A

32kph

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

A

Yes

59
Q

Can piston engines run on jet fuel

A

No

60
Q

When fuelling how far away should the no smoking zone be

A

15m

61
Q

How far should the fuelling zone be when fuelling

A

6m

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

A

Type 1

67
Q

What fluids are non Newtonian

A

2 and 4

68
Q

What is the worst kind of ice

A

Glaze ice

69
Q

What does Glaze ice look like

A

Glassy deposit