In the early moments of the disaster, a fire chief who didn't know how to activate the device decided — mistakenly — that it was malfunctioning, a decision that may have cost some rescue workers their lives.
The devices, known as Pitot tubes, are one element in the inquiry of the Air France accident after the A330-200 sent automated messages that its airspeed sensors were malfunctioning.
Two of the CVCs were malfunctioning.
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But any engineer knows that a simpler device is far less likely to malfunction in bizarre ways.
Although the device is marketed as water-resistant, the altimeter will malfunction if you submerge the unit - so don't submerge it!
A pressure relief device is provided in the event of a high-pressure control malfunction in downstream equipment.
Similarly, use of a large-bore intravenous cannula has been described; however, again this improvised device was prone to malfunction with leak and kinking [ 9].
Including instances when the device was functional (with minimal malfunctions noted), the researchers analyzed 690 drinking episodes, with a mean of 8 episodes per participant and a mean of 6.3 drinks per episode (standard deviation of 4.5).
Methods of IO needle placement confirmation, estimated total time of insertion, fluids and drugs administered, ease of use and the control and function of the EZ-IO™ device, any complications, difficulties in using the device, adverse events to operator and types of malfunction of device were evaluated by a questionnaire.
