B737飞机引气系统的工作状态直接影响到空调增压、机翼防冰、水箱增压、液压油箱增压的正常工作,故快速准确排除引气系统故障对于减少航班延误保证飞行安全起着至关重要的作用。文章简要分析了B737飞机引气系统常见故障、维修特点以及技术措施。 B737 aircraft bleed air system directly affects the working status of air conditioning booster, anti-ice wing, tank pressurization, hydraulic tank pressurization of the normal work, it quickly and accurately exclude the bleed air system failure to reduce flight delays to ensure flight safety from to Important role. The article briefly analyzes the common faults, maintenance features and technical measures of B737 air-bleed system.