| 10 | IMPAIRMENT CHARGES |
| 2017 | 2016 | 2015 | ||||||||||
| RMB million | RMB million | RMB million | ||||||||||
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Write-down of flight equipment spare parts to net realisable value (note 26) |
112 | 10 | 88 | |||||||||
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Impairment charge on property, plant and equipment (note 18) |
379 | 29 | 48 | |||||||||
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Impairment charge on assets of a disposal group classified as held for sale (note 16) |
3 | — | 33 | |||||||||
|
Impairment charge on available-for-sale investments |
— | — | 100 | |||||||||
|
Accrual/(reversal) of impairment charge on trade receivables (note 27) |
(3 | ) | (1 | ) | 12 | |||||||
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Reversal of impairment charge on other receivables |
— | (9 | ) | (53 | ) | |||||||
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| 491 | 29 | 228 | ||||||||||
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