Boeing insists it will deliver the first 787 Dreamliner to All Nippon Airways before the end of the year, but company officials admit that issues revealed in early tests have eroded much of the cushion built into the testing schedule. With four test planes currently flying, the 787 has logged about 400 hours of flight time out of an estimated 2,000 hours needed to complete certification. Boeing originally hoped to begin the FAA's on-board testing phase in mid-February, then moved the date to late March. With April just around the corner, a company spokeswoman said Monday that there is no "firm date yet, but we are getting close."

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