On November 5, 2010, it was reported that some 787 deliveries would be delayed to address problems found during flight testing.[140][141] In January 2011, the first 787 delivery was rescheduled to the third quarter of 2011 due to software and electrical updates following the in-flight fire.[142][143] By February 24, 2011, the 787 had completed 80% of the test conditions for the Rolls-Royce Trent 1000 engine and 60% of the conditions for the General Electric GEnx-1B engine.[144] In July 2011, ANA performed a week of operations testing using a 787 in Japan.[145] The test aircraft had flown 4,828 hours in 1,707 flights combined by August 15, 2011.[108] During testing, the 787 visited 14 countries in Asia, Europe, North America, and South America to test in extreme climates and conditions and for route testing.[146]
