We experienced "Air supply to Exhaust Valve spring low pressure" alarm during tested run main engine at anchorage.

What is the possible cause of this alarm?

21 Feb '20, 16:18

Feb. 21, 2020, 4:18 p.m.
3Eng's gravatar image


Generally, there are two possible causes for this alarm:

  • Clogged up control air filter
  • Control air system and external air supply pipe have leakages

Start with filter, change over to standby filter. Examine piping for leakages.

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21 Feb '20, 16:22

Feb. 21, 2020, 4:22 p.m.
cheng's gravatar image

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