British Airways says IT chaos was caused by human error
British Airways' parent company says that human error caused an IT meltdown that left 75,000 passengers stranded over the Bank Holiday.
Willie Walsh. boss of IAG, said that an electrical engineer disconnected the uninterruptible power supply which shut down BA's data centre.
He said on Monday there would now be an independent investigation "to learn from the experience".
A leaked BA email last week had pointed the finger at a single contractor.
Appearing at an annual airline industry conference in Mexico, Mr Walsh said: "It's very clear to me that you can make a mistake in disconnecting the power.
"It's difficult for me to understand how to make a mistake in reconnecting the power."
IAG has commissioned an "independent company to conduct a full investigation" into the IT crash and is "happy to disclose details" of its findings, Mr Walsh said.
The BBC reported last week that senior company executives at IAG were pushing for an external probe into the computer meltdown.
BA had said that a power surge caused the computer problem, but gave little further explanation. However, an email leaked to the media last week suggested that a contractor doing maintenance work inadvertently switched off the power supply.
The email said: "This resulted in the total immediate loss of power to the facility, bypassing the backup generators and batteries... After a few minutes of this shutdown, it was turned back on in an unplanned and uncontrolled fashion, which created physical damage to the systems and significantly exacerbated the problem."
BA has already launched its own investigation, led by its chief executive Alex Cruz.
Following the computer crash, which caused travel chaos for people travelling from Heathrow and Gatwick, Mr Walsh gave his full backing to Mr Cruz.
BA and IAG also rejected claims that the incident was due to Mr Cruz's decision to outsource the airline's IT department to India as part of cost-cutting measures.
On Monday, Mr Walsh apologised again for the incident, saying: "When you see customers who suffered, you wouldn't want it to happen to any airline or any business."
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Re: British Airways says IT chaos was caused by human error
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