Boeing ships 76 jetliners in 1st qtr, on target = = = = Thursday April 1, 5:55 PM EST = (Adds details, paragraphs 3-4) SEATTLE, April 1 (Reuters) - Boeing Co. (BA), the world's No. 2 jetliner = maker, on Thursday said it delivered 76 aircraft in the first quarter, up= 7 percent from the same period a year ago and on track to meet its full = year target of 285. Boeing's Seattle-based commercial jet unit shipped 55 of its most popular= jets, the 737 narrow-body, followed by eight wide-body 777s and a variet= y of other aircraft. The company delivered 31 jets in March, including its first wide-body 767= since last November. The 767 order backlog has shrunk to 24 amid slow sales. A pending order f= or 100 767-based air refueling tankers from the U.S. Air Force has been r= epeatedly delayed by an ethics scandal and government inquiries into the = structure of the deal, valued at more than $20 billion. = =A92004 Reuters Limited. = Roger EWROPS