--- title: "波音 2011 年的警告或为 2025 年 UPS 货机坠毁提供线索" description: "美国国家运输安全委员会（NTSB）调查人员指出，波音公司在 2011 年发布的服务信函提到 MD-11 飞机的 “球面轴承座圈” 曾发生四次故障，可能与 2025 年 UPS 货机坠毁有关。该部件用于缓解高负荷和震动，信函中建议将其检查纳入日常检查中。" type: "news" locale: "zh-CN" url: "https://longbridge.com/zh-CN/news/272619075.md" published_at: "2026-01-15T00:26:54.000Z" --- # 波音 2011 年的警告或为 2025 年 UPS 货机坠毁提供线索 > 美国国家运输安全委员会（NTSB）调查人员指出，波音公司在 2011 年发布的服务信函提到 MD-11 飞机的 “球面轴承座圈” 曾发生四次故障，可能与 2025 年 UPS 货机坠毁有关。该部件用于缓解高负荷和震动，信函中建议将其检查纳入日常检查中。 1 月 14 日，美国国家运输安全委员会（NTSB）调查人员表示，飞机制造商波音公司在 2011 年 2 月发布了一封服务信函，通知 MD-11（发动机/引擎）运营商，三架不同飞机的 “球面轴承座圈”（spherical bearing race）曾发生过四次故障。该部件的作用是帮助缓解高负荷和震动。 NTSB 在一份罕见的更新报告中披露了这一信息，该报告发布于初步调查报告与最终报告之间。2011 年的信函中提到，对该部件的检查将包含在 MD-11 发动机固定结构的日常检查中。 ### Related Stocks - [BA.US - 波音](https://longbridge.com/zh-CN/quote/BA.US.md) ## Related News & Research | Title | Description | URL | |-------|-------------|-----| | Boeing sees significant supply chain quality gains | Boeing has reported significant quality improvements in its commercial airplane supply chain, with a 40% reduction in ho | [Link](https://longbridge.com/zh-CN/news/275678303.md) | | Dubai Aerospace Enterprise Announces Long Term Lease of 2 Boeing 737-8 To Somon Air | DUBAI AEROSPACE ENTERPRISE (DAE):REACHES AGREEMENT WITH SOMON AIR FOR LEASE OF 2 NEW BOEING 737-8 AIRCRAFTAIRCRAFT ARE S | [Link](https://longbridge.com/zh-CN/news/273654258.md) | | Southwest's new boarding process off to bumpy start | Some travelers are finding they don't have storage above their seats when they get on the plane because early boarders a | [Link](https://longbridge.com/zh-CN/news/275799376.md) | | Millionaire CEO and His Family Members Identified Among 4 Victims Killed in Colorado Plane Crash | A small plane crash near Steamboat Springs, Colorado, on February 13 resulted in the deaths of four individuals, includi | [Link](https://longbridge.com/zh-CN/news/276065026.md) | | An airline barred 2 passengers after an in-flight brawl and plans to go after them for the cost of diverting the plane | An airline barred 2 passengers after an in-flight brawl and plans to go after them for the cost of diverting the plane | [Link](https://longbridge.com/zh-CN/news/276093860.md) | --- > **免责声明**：本文内容仅供参考，不构成任何投资建议。