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Alan: Right. Let me come out and have a look.

b Complete the following sentences using words in Exercise 9c to make true sentences
about the conversation.
1 The tyre pressures on the block being discussed are .
2 There is air pressure inside some of the tyres.
3 The tyre pressures on that block are to the rest of the aircraft.
4 The wear rate is across all the tyres.
c In pairs, discuss the possible causes of insufficient tyre pressure in general, and the
specific problem Julia describes in Exercise 10a, and say why each general cause you
discussed is likely or unlikely in this case.

IV Discussing repairs and maintenance
11a In pairs, discuss the difference between repairs and maintenance and decide whether
the following words relate to repairs, maintenance or both.
broken clogged defective faulty worn

b In pairs, compare car maintenance with aircraft maintenance. Which aspects are quite
similar and which are very different?

12a Match the content sections (1-10) of an aircraft service manual to the descriptions (a-
j).

Contents
1 Opening and dismantling access panels f
2 Topping up, draining and replacing coolants and lubricants
3 Replacing filters
4 Safely isolating electrical components
5 Safely disconnecting and reconnecting electrical components
6 Mechanical connections to be checked/ tightened at each service
7 Parts susceptible to wear/damage, to be examined at each service
8 Sensitive devices to be adjusted at each service
9 Information on non-serviceable parts / sealed units
10 Table of component life spans

a Switching off the power supply
b Making sure certain parts haven’t worked loose
c Changing parts that can become clogged
d Adding and changing fluids
e Equipment that needs to be set up precisely
f Taking something to pieces to allow maintenance
g Taking parts off and refitting them without danger
h Components that can’t be repaired on site i Details of how long parts are designed to last
j Making sure parts are still in good condition

b Match the verbs (1-10) from Exercise 12a to the definitions (a-j).
1 adjust a carry out planned maintenance
2 drain b change an old or damaged part
3 disconnect c check carefully
4 dismantle d empty a liquid
5 examine e add more fluid to fill a tank to the recommended level

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