US Airways only leases 10 Pittsburgh Airport gates = = = = Monday January 5, 3:30 PM EST = NEW YORK, Jan 5 (Reuters) - US Airways (UAIR) on Monday said it will only= lease 10 gates at Pittsburgh International Airport on a long-term basis,= a big drop from the 50 gates it had leased on that basis previously. Instead, the airport's biggest carrier, which last year emerged from bank= ruptcy, will lease the remaining 40 gates it has been using on a month-to= -month basis. "State and local officials are exploring whether new revenue sources can = be devoted to relieve airlines operating at Pittsburgh of some of the cos= t of servicing the $640 million debt load the airport carries," the compa= ny added in a statement. = =A92003 Reuters Limited. = Roger EWROPS