Maintenance of 747 and 767: Pneumatic Bleed Systems

The pneumatic bleed system on 747 and 767 airplanes has been one of the most frequent contributors to airplane dispatch delays. In response, improvements have been made to the design and overhaul of system components, and pneumatic system health checks...




This article was reprinted from the April 2002 issue of Aero magazine by permission of The Boeing Company. Article by Betsy Hunt, Boeing Commercial Airplanes, Gina Laird-Dion, Hamilton Sundstrand, and John Upchurch, United Airlines.

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