| 标题 | SCE的地扰假信息 Spoiler Control Electronics (SCE) GROUND SPOILER CONTROL and SPOILER DIRECT LIFT CTRL Nuisance Status Messages |
|---|---|
| 编号 | 737MAX-FTD-27-17006 |
| 章节 | 27 |
| 适用性 | 737MAX |
| 日期 | 2019年5月 |
| 机队影响 | ALL |
| 是否关闭 | OPEN |
| 背景 | 运营商报告了上电后出现GROUND SPOILER CONTROL 和SPOILER DIRECT LIFT CTRL的状态信息。 并伴随以下的维护信息： 27-02200 – FCC-A FLAP POSITION DATA IS INVALID DETECTED BY: SPOILER CONTROL ELECTRONICS (SCE) 27-02270 – FCC-B FLAP POSITION DATA IS INVALID DETECTED BY: SPOILER CONTROL ELECTRONICS (SCE) 27-02660 – RADIO ALTITUDE DATA FROM RADIO ALTIMETER 1 AND RADIO ALTIMETER 2 IS INVALID DETECTED BY: SPOILER CONTROL ELECTRONICS (SCE) 77-42691 – LOW RANGE RADIO ALTIMETER (LRRA) SIGNALS DO NOT AGREE Detected by: ENGINE-1 EEC CHANNEL-A 77-42692 – LOW RANGE RADIO ALTIMETER (LRRA) SIGNALS DO NOT AGREE Detected by: ENGINE-1 EEC CHANNEL-B |
| 改进状态 | 波音公司正在调查这一干扰性信息的根本原因， 并评估通过SCE软件更新来抑制这些故障。 |
| 临时措施 | 拔出并重置无线电高度表1（C/B C1384）和 无线电高度表2（C/B C1385）的跳开关可清除状态信息。 |
| 最终方案 | 最终方案将在737MAX-FTD-34-17005条中更新。 |
| 点评 | n/a |
