B737NG系列飞机PSEU故障代码

PSEU | 32-62013 RED ENBL B FAULT(起落架红灯故障)| 32-61 TASK 808

PSEU | 32-62014 LDG FLAP DISAGREE (起落架/襟翼不同步) | 32-61 TASK 815

PSEU | 32-64001 INTERNAL FAULT(PSEU内部不同步)| 32-09 TASK 809

PSEU | 32-64002 TEST NOT COMPLETD(测试未完成)| 32-61 TASK 817

PSEU | 32-64003 DISPA TCH FAULT(PSEU放行故障)| 32-09 TASK 818

PSEU | 32-64004 NO DISP FAULT(PSEU无放行故障)| 32-09 TASK 818

PSEU | 32-65001 LANDING FLAPS A(着陆襟翼A)| 32-61 TASK 815

PSEU | 32-65002 LANDING FLAPS B(着陆襟翼B)| 32-61 TASK 815

PSEU | 32-66001 L GRN LT 1 FAULT(左起落架绿灯1故障)| 32-61 TASK 810

PSEU | 32-66002 NOSE GRN LT 1 FLT(前起落架绿灯1故障)| 32-61 TASK 810

PSEU | 32-66003 R GRN LT 1 FAULT(右起落架绿灯1故障)| 32-61 TASK 810

PSEU | 32-66004 L RED LT 1 FAULT(左起落架红灯1故障)| 32-61 TASK 810

PSEU | 32-66005 NOSE RED LT 1 FLT(前起落架红灯1故障)| 32-61 TASK 810

PSEU | 32-66006 R RED LT 1 FAULT(右起落架红灯1故障)| 32-61 TASK 810

PSEU | 32-66007 DISPA TCH 1 FAULT(PSEU放行1故障)| 32-61 TASK 818

PSEU | 32-66010 NO DISP 1 FAULT(PSEU无放行1故障)| 32-61 TASK 818

PSEU | 32-66011 L GRN LT 2 FAULT(左起落架绿灯2故障)| 32-61 TASK 811

PSEU | 32-66012 NOSE GRN LT 2 FLT(前起落架绿灯2故障)| 32-61 TASK 811

PSEU | 32-66013 R GRN LT 2 FAULT(右起落架绿灯2故障)| 32-61 TASK 811

PSEU | 32-66014 L RED LT 2 FAULT(左起落架红灯2故障)| 32-61 TASK 812

PSEU | 32-66015 NOSE RED LT 2 FLT(前起落架红灯2故障)| 32-61 TASK 812

PSEU | 32-66016 R RED LT 2 FAULT(右起落架红灯2故障)| 32-61 TASK 812

PSEU | 29-22005 LGTV SET FAULT(起落架转换活门设置故障)| 29-20 TASK 813

PSEU | 29-23001 ENG NOT RUNNING(发动机未运转)| 29-20 TASK 809

PSEU | 29-23002 ALT NOSE STRG SEL(备用前轮转弯选择)| 29-20 TASK 812

PSEU | 29-24001 PRI LGTV FAIL(主起落架转换活门故障)| 29-20 TASK 805

PSEU | 29-24002 SEC LGTV FAIL(辅助起落架转换活门故障)| 29-20 TASK 806

PSEU | 29-24003 LGTV RESET(起落架转换活门重置)| 29-20 TASK 813

PSEU | 31-51001 GSBV CL FAULT(地面扰流板内锁活门关闭)| 32-61 TASK 825

PSEU | 31-52001 TOW INHB FAULT(起飞警告抑制)| 32-09 TASK 810

PSEU | 31-52002 TRA L LT 53 FAULT(左安定面角度小于53)| 32-09 TASK 815

PSEU | 31-52003 TRA R LT 53 FAULT(右安定面角度小于53)| 32-09 TASK 815

PSEU | 31-52004 STAB TRIM DISAGREE(安定面配平不同步)| 32-09 TASK 817

PSEU | 31-52005 LE FLAPS EXT FLT(前缘襟翼放出)| 32-09 TASK 812

PSEU | 31-52006 T/O FLPS A FAULT(起飞襟翼A故障)| 32-09 TASK 814

PSEU | 31-52007 T/O FLPS B FAULT(起飞襟翼B故障)| 32-09 TASK 814

PSEU | 31-52008 GS PRESS A FAULT(地面扰流板A液压系统压力)| 32-09 TASK 824

PSEU | 31-52009 GS PRESS B FAULT(地面扰流板B液压系统压力)| 32-61 TASK 824

PSEU | 31-52010 SPDBRK UP FAULT(速度刹车收上故障)| 32-62 TASK 808

PSEU | 31-52011 LE FP EX BITE FLT(前缘襟翼伸出自测试未通过)| 32-09 TASK 812

PSEU | 31-52012 LE EXT IN FAULT(前缘位置不正确)| 32-09 TASK 812

PSEU | 31-53001 GS PRESS A GT 750(地面扰流板A液压系统压力大于750)| 31-51 TASK 822 PSEU | 31-53002 GS PRESS B GT 750(地面扰流板A液压系统压力大于750)| 31-51 TASK 822 PSEU | 31-53003 NOT STAB TRM GRN(安定面配平绿灯不亮)| 31-51 TASK 822

PSEU | 31-53007 SPDBRK HDL UP(速度刹车保持在收上位)| 27-62 TASK 808

PSEU | 31-53008 NOT T/O FLAPS A(起飞襟翼A无故障)| 32-09 TASK 814

PSEU | 31-53009 NOT T/O FLAPS B(起飞襟翼B无故障)| 32-09 TASK 814

PSEU | 31-53010 LE FLAPS NOT EXT(前缘襟翼未放出)| 32-09 TASK 812

PSEU | 31-55001 GS PRESS A(地面扰流板A液压系统压力)| 31-51 TASK 804

PSEU | 31-55002 GS PRESS B(地面扰流板B液压系统压力)| 31-51 TASK 804

PSEU | 31-55003 GSBV CLOSED(地面扰流板内锁活门关闭)| 31-51 TASK 805

PSEU | 31-55004 LE FLAPS EXTEND(前缘襟翼放出)| 32-09 TASK 812

PSEU | 31-55005 SPDBRK UP(速度刹车收上)| 31-51 TASK 806

PSEU | 31-55006 STAB TRM GREEN(安定面配平绿灯不亮)| 31-51 TASK 820

PSEU | 31-55007 STAB TRM NOT GREEN(安定面配平绿灯不亮)| 31-51 TASK 821 PSEU | 31-55008 T/O W ARN INHIBIT(起飞警告抑制)| 31-51 TASK 809

PSEU | 31-55009 TAKEOFF FLAPS A(起飞襟翼A)| 31-51 TASK 810

PSEU | 31-550010 TAKEOFF FLAPS B(起飞襟翼B)| 31-51 TASK 811

PSEU | 31-55011 TRA LT 53 LEFT(左油门杆角度小于53)| 32-09 TASK 815

PSEU | 31-55012 TRA LT 53 RIGHT(右油门杆角度小于53)| 32-09 TASK 815

PSEU | 31-56001 GSBV CL OUT FLT(地面扰流板超限)| 32-09 TASK 813

PSEU | 31-56002 T/O W ARN 1 FAULT(起飞警告1故障)| 31-51 TASK 801

PSEU | 31-56003 T/O W ARN 2 FAULT(起飞警告2故障)| 31-51 TASK 801

PSEU | 32-01001 L ON GND A FAULT(左起落架接地A传感器故障)| 32-09 TASK 803 PSEU | 32-01002 N ON GND A FAULT(前起落架接地A传感器故障)| 32-09 TASK 802 PSEU | 32-01003 R ON GND A FAULT(右起落架接地A传感器故障)| 32-09 TASK 803 PSEU | 32-06013 AIR/GND R590 FLT(空/地继电器R590故障)| 32-09 TASK 804 PSEU | 32-06014 AIR/GND R591 FLT(空/地继电器R591故障)| 32-09 TASK 804 PSEU | 32-06015 AIR/GND R597 FLT(空/地继电器R597故障)| 32-09 TASK 804 PSEU | 32-06016 NGS RL Y FAULT(前轮转弯继电器故障)| 32-61 TASK 813

PSEU | 32-31001 L ON GND A FAULT(左起落架接地A传感器故障)| 32-09 TASK 803 PSEU | 32-31002 N ON GND A FAULT(前起落架接地A传感器故障)| 32-09 TASK 802 PSEU | 32-31003 R ON GND A FAULT(右起落架接地A传感器故障)| 32-09 TASK 803 PSEU | 32-31004 L ON GND B FAULT(左起落架接地B传感器故障)| 32-09 TASK 803 PSEU | 32-31005 N ON GND B FAULT(前起落架接地B传感器故障)| 32-09 TASK 802 PSEU | 32-31006 R ON GND B FAULT(右起落架接地B传感器故障)| 32-09 TASK 803 PSEU | 32-32001 PARK BRK FAULT(停留刹车故障)| 32-09 TASK 806

PSEU | 32-32002 PARK BRK A FAULT(停留刹车A故障)| 32-09 TASK 806

PSEU | 32-32003 PARK BRK B FAULT(停留刹车B故障)| 32-09 TASK 806

PSEU | 32-32001 PARK BRK A SET(停留刹车A设置)| 32-09 TASK 806

PSEU | 32-32002 PARK BRK B SET(停留刹车B设置)| 32-09 TASK 806

PSEU | 32-35001 PARK A(停留刹车A)| 32-09 TASK 806

PSEU | 32-35002 PARK B(停留刹车B)| 32-09 TASK 806

PSEU | 32-60001 NO 28V A POWER(起落架传感器A无28V电源)| 32-09 TASK 808 PSEU | 32-60002 NO 28V B POWER(起落架传感器B无28V电源)| 32-09 TASK 822 PSEU | 32-61001 L DN LKD A FAULT(左起落架放下锁A故障)| 32-61 TASK 801 PSEU | 32-61002 L UP LKD A FAULT(左起落架收上锁A故障)| 32-61 TASK 802 PSEU | 32-61003 NOSE LKD A FAULT(前起落架锁A故障)| 32-61 TASK 804

PSEU | 32-61004 NOSE DN A FAULT(前起落架放下锁A故障)| 32-61 TASK 803 PSEU | 32-61005 R DN LKD A FAULT(右起落架放下锁A故障)| 32-61 TASK 801 PSEU | 32-61006 R UP LKD A FAULT(右起落架收上锁A故障)| 32-61 TASK 802 PSEU | 32-61007 L DN LKD B FAULT(左起落架放下锁B故障)| 32-61 TASK 801 PSEU | 32-61008 L UP LKD B FAULT(左起落架收上锁B故障)| 32-61 TASK 802 PSEU | 32-61009 NOSE DN B FAULT(前起落架放下锁B故障)| 32-61 TASK 803 PSEU | 32-61010 NOSE LKD B FAULT(前起落架锁B故障)| 32-61 TASK 804

PSEU | 32-61011 R DN LKD B FAULT(右起落架锁B故障)| 32-61 TASK 801

PSEU | 32-61012 R UP LKD B FAULT(右起落架收上锁B故障)| 32-61 TASK 802 PSEU | 32-61013 NOSE DN DISAGREE(前起落架放下不一致)| 32-61 TASK 803 PSEU | 32-62001 TRA L LT 44 FAULT(左油门杆角度小于44)| 32-09 TASK 806 PSEU | 32-62002 TRA R LT 44 FAULT(右油门杆角度小于44)| 32-09 TASK 806 PSEU | 32-62003 TRA L LT 64 FAULT(左油门杆角度小于64)| 32-09 TASK 820 PSEU | 32-62004 TRA R LT 64 FAULT(右油门杆角度小于64)| 32-09 TASK 820 PSEU | 32-62005 ALT L LT 200 FLT(左起落架200英尺传感器故障)| 32-61 TASK 805 PSEU | 32-62006 ALT R LT 200 FLT(前起落架200英尺传感器故障)| 32-61 TASK 806 PSEU | 32-62007 LEVER DN FAULT(起落架手柄放下故障)| 32-61 TASK 809

PSEU | 32-62008 LEVER UP FAULT(起落架手柄收上故障)| 32-61 TASK 809

PSEU | 32-62009 LDG FLAP A FAULT(起落架/襟翼A不同步)| 32-61 TASK 815 PSEU | 32-62010 LDG FLAP B FAULT(起落架/襟翼B不同步)| 32-61 TASK 815 PSEU | 32-62011 LDG WARN INHB FLT(起落架警告抑制故障)| 32-61 TASK 822 PSEU | 32-62012 RED ENBL A FAULT(红灯A接通故障)| 32-61 TASK 807

PSEU | 32-01004 L ON GND B FAULT(左起落架接地B传感器故障)| 32-09 TASK 803

PSEU | 32-01006 R ON GND B FAULT(右起落架接地B传感器故障)| 32-09 TASK 803 PSEU | 32-01007 AIR/GND FAIL(空地继电器故障)| 32-09 TASK 819

PSEU | 32-02001 PARK BRK FAULT(停留刹车故障)| 32-09 TASK 806

PSEU | 32-02002 PARK BRK A FAULT(停留刹车A故障)| 32-09 TASK 806

PSEU | 32-02003 PARK BRK B FAULT(停留刹车B故障)| 32-09 TASK 806

PSEU | 32-03001 PARK BRK A SET(停留刹车A设置)| 32-09 TASK 806

PSEU | 32-03002 PARK BRK B SET(停留刹车B设置)| 32-09 TASK 806

PSEU | 32-04001 AIR/GND OVERRIDE(空/地继电器人工超控)| 32-09 TASK 818 PSEU | 32-06001 AIR/GND R584 FLT(空/地继电器R584故障)| 32-09 TASK 804 PSEU | 32-06002 AIR/GND R593 FLT(空/地继电器R593故障)| 32-09 TASK 804 PSEU | 32-06003 AIR/GND R587 FLT(空/地继电器R587故障)| 32-09 TASK 804 PSEU | 32-06004 AIR/GND R583 FLT(空/地继电器R583故障)| 32-09 TASK 804 PSEU | 32-06005 AIR/GND R589 FLT(空/地继电器R589故障)| 32-09 TASK 804 PSEU | 32-06006 AIR/GND R592 FLT(空/地继电器R592故障)| 32-09 TASK 804 PSEU | 32-06007 AIR/GND R594 FLT(空/地继电器R594故障)| 32-09 TASK 804 PSEU | 32-06008 LG LVR LCH FLT(起落架手柄锁故障)| 32-09 TASK 807

PSEU | 32-06009 AIR/GND R585 FLT(空/地继电器R595故障)| 32-09 TASK 804 PSEU | 32-06010 AIR/GND R588 FLT(空/地继电器R588故障)| 32-09 TASK 804 PSEU | 32-06011 AIR/GND R595 FLT(空/地继电器R595故障)| 32-09 TASK 804 PSEU | 32-06012 AIR/GND R586 FLT(空/地继电器R586故障)| 32-09 TASK 804 PSEU | 32-06013 AIR/GND R590 FLT(空/地继电器R590故障)| 32-09 TASK 804 PSEU | 32-06014 AIR/GND R591 FLT(空/地继电器R591故障)| 32-09 TASK 804 PSEU | 32-06015 AIR/GND R597 FLT(空/地继电器R597故障)| 32-09 TASK 804 PSEU | 32-06016 NGS RL Y FAULT(前轮转弯继电器故障)| 32-09 TASK 813

PSEU | 32-31001 L ON GND A FAULT(左起落架接地A传感器故障)| 32-09 TASK 803 PSEU | 32-31002 N ON GND A FAULT(前起落架接地A传感器故障)| 32-09 TASK 802 PSEU | 32-31003 R ON GND A FAULT(右起落架接地A传感器故障)| 32-09 TASK 803 PSEU | 32-31004 L ON GND B FAULT(左起落架接地B传感器故障)| 32-09 TASK 803 PSEU | 32-31005 N ON GND B FAULT(前起落架接地B传感器故障)| 32-09 TASK 802

PSEU | 32-32001 PARK BRK FAULT(停留刹车故障)| 32-61 TASK 806

PSEU | 32-32002 PARK BRK A FAULT(停留刹车A故障)| 32-61 TASK 806

PSEU | 32-32003 PARK BRK B FAULT(停留刹车B故障)| 32-61 TASK 806

PSEU | 32-33001 PARK BRK A SET(停留刹车A设置)| 32-61 TASK 806

PSEU | 32-33002 PARK BRK B SET(停留刹车B设置)| 32-61 TASK 806

PSEU | 32-35001 PARK A(刹车A)| 32-61 TASK 806

PSEU | 32-35002 PARK B(刹车B)| 32-61 TASK 806

PSEU | 32-60001 NO 28V A POWER(起落架PSEU A无28V电源)| 32-09 TASK 808 PSEU | 32-60002 NO 28V B POWER(起落架PSEU B无28V电源)| 32-09 TASK 822 PSEU | 32-61001 L DN LKD A FAULT(左起落架放下锁A故障)| 32-09 TASK 801 PSEU | 32-61002 L UP LKD A FAULT(左起落架收上锁A故障)| 32-09 TASK 802 PSEU | 32-61003 NOSE LKD A FAULT(前起落架锁A故障)| 32-09 TASK 804

PSEU | 52-72017 R FWD OW SW B FLT(右前翼上登机门电门故障)| 52-20 TASK 802 PSEU | 52-72018 ENG RUN R FAULT(右发动机运转故障)| 52-20 TASK 803

PSEU | 52-72019 OVWG OPT FAULT(翼上逃离门打开)| 52-20 TASK 804

PSEU | 52-72020 L OW SW DISAGREE(左翼上逃离门电门不一致)| 52-20 TASK 805 PSEU | 52-72021 L FWD OW SW DSGR(左前翼上逃离门电门不一致)| 52-20 TASK 805 PSEU | 52-72022 R OW SW DISAGREE(右翼上逃离门电门不一致)| 52-20 TASK 805 PSEU | 52-72023 R FWD OW SW DSGR(右前翼上逃离门电门不一致)| 52-20 TASK 805 PSEU | 52-72024 FOUR OW OPT FLT(四个翼上逃离门打开)| 52-20 TASK 804

PSEU | 52-74001 L OVWG OPEN(左翼上逃离门打开)| 52-20 TASK 806

PSEU | 52-74002 L FWD OW OPEN(左前翼上逃离门打开)| 52-20 TASK 806

PSEU | 52-74003 R OVWG OPEN(右翼上逃离门打开)| 52-20 TASK 806

PSEU | 52-74004 R FWD OW OPEN(右前翼上逃离门打开)| 52-20 TASK 806

PSEU | 52-76001 EQPT W ARN FLT(设备警告故障)| 52-10 TASK 802

PSEU | 52-76002 AFT LDR RL Y FLT(后货舱门打开)| 25-51 TASK 801

PSEU | 52-76003 AFT CGO WARN FLT(后货舱门警告)| 52-10 TASK 802

PSEU | 52-76004 AFT ENTR WARN FLT(后登机门警告)| 52-10 TASK 802

PSEU | 52-76005 AFT SERV WARN FLT(后勤务门警告)| 52-10 TASK 802

PSEU | 52-76014 FWD CGO WARN FLT(前货舱门警告)| 52-10 TASK 802

PSEU | 52-76015 FWD ENTR WARN FLT(前登机门警告)| 52-10 TASK 802

PSEU | 52-76016 FWD SERV WARN FLT(前勤务门警告)| 52-10 TASK 802

PSEU | 52-76017 FL RELAY 1 FAULT(空中锁继电器1故障)| 52-20 TASK 807 PSEU | 52-76018 FL RELAY 2 FAULT(空中锁继电器2故障)| 52-20 TASK 807 PSEU | 27-62001 SPDBRK DN FAULT(速度刹车放下故障)| 27-62 TASK 808 PSEU | 27-62002 SBRK GT ARMD FLT(速度刹车手柄预备故障)| 27-62 TASK 809 PSEU | 27-62003 ALT L LT 800 FLT(左起落架高度800故障)| 32-61 TASK 823 PSEU | 27-62004 ALT R LT 800 FLT(右起落架高度800故障)| 32-61 TASK 823 PSEU | 27-65001 ALT L LT 800(左起落架高度800)| 32-61 TASK 823

PSEU | 27-65002 ALT R LT 800(右起落架高度800)| 32-61 TASK 823

PSEU | 27-65003 SBRK GT ARMED(速度刹车手柄预备)| 27-62 TASK 809

PSEU | 27-65004 SPDBRK DOWN(速度刹车放下)| 27-62 TASK 808

PSEU | 27-66001 SPDBRK EXT FLT(速度刹车伸出故障)| 27-62 TASK 810

PSEU | 29-20001 NO LGTV PRI PWR(起落架PSEU无主电源)| 29-20 TASK 807 PSEU | 29-20002 NO LGTV SEC PWR(起落架PSEU无备用电源)| 29-20 TASK 808 PSEU | 29-22001 ENG RUN L FAULT(左发动机运行失效)| 29-20 TASK 809 PSEU | 29-22002 HYD QTY B FAULT(B系统液压油量故障)| 29-20 TASK 810 PSEU | 29-22003 HYD QTY BITE FLT(液压油量检测故障)| 29-20 TASK 811 PSEU | 29-22004 ALT NOSE STRG FLT(备用前轮转弯故障)| 29-20 TASK 812

货舱门内部手柄回位弹簧断裂导致舱门警告

2022年3月,某737-800飞机起飞后机组反映前货舱门警告灯亮,检查增压正常,继续执行航班,正常落地后地面检查前货舱门处于打开状态,进一步检查发现货舱门内部手柄回位弹簧断裂,分析是由于弹簧失效后,导致滚轮锁紧力减小,飞机滑跑过程中由于重力以及振动导致机构出现小幅变动,加上增压和释压过程的影响,最终滚轮从卡槽中脱出。增压状态下舱门由于内外压差的作用处于关闭状态,当落地机舱释压后舱门打开。

依据我们制定的工程政策下发的局方明电

当时的政策调整:

1,一轮普查未见缺陷;

2,MEL修改

3,工卡修改

二号风挡雨水管扎带松脱导致滴水

2022年3月,运行中有反应侧窗窗处余水管滴水,副驾地板上有部分水迹,经核实为余水管的扎带松脱;后续完成更换松脱的扎带,观察余水管不漏,清洁副驾地板水迹。驾驶舱顶部有一整块积水盘,用于收集内部形成的冷凝水,并排出机外。雨天一定层度上会导致内外温差大,机体内部容易产生冷凝水。这个滴水的点是与2号风挡相连的位置,通过扎带连接,扎带出现松动导致,目前有EO737-25-0957 检查驾驶舱2号风挡前方排水管 每800FH检查一次,借助本次案例,对工卡做了小的调整,要求检查管路松脱的情况。

737MAX APU尾舱积水- 737 MAX APU Tailcone Water Accumulation-In-service

波音收到客户反映运行中的MAX飞机在执行间歇性APU火警系统故障排故时,发现APU尾舱内部有大量积水,检查发现是由于凝胶类物质积聚在站位STA1156正后方的余水口并导致堵塞。通过对其他MAX飞机进行检查,发现另外两架飞机也存在堵塞的情况。

波音分析凝胶状物质可能是除冰液和水的混合物,也可能是进入尾锥的灰尘、碎屑、昆虫或其他材料。同时由于飞机蒙皮和升降舵扭矩管之间的间隙可能导致水进入尾椎,从而形成积水。

波音建议:

对于在寒冷天气条件下运行并执行了除冰操作或在大雨条件下运行的飞机,波音公司建议737 MAX飞机的操作员在维修方便的情况下通过右侧检修门进入尾锥,并检查尾锥是否积水,确保排水孔未堵塞。初始检查后,波音公司建议每两周进行一次检查,或由运营商自行决定。同时还应检查尾舱内是否过积水的痕迹。

如果在尾舱中发现了积水,需完成以下检查:

1.通过检修门进入尾锥舱,清除排水孔中的任何不需要的材料,以便排水。

2.完成737MAX-FTD-49-20002条款中列出的检查排气消声罩、电气部件、机身部件和APU系统部件的临时处置措施。

注意检查所有紧固件、螺母板和尾锥复合材料面板是否损坏。

3.参考ATA(5353-00),通过服务请求(SR)向波音公司报告所发现的情况。

注意:由于尾锥配置不同,737NG飞机不受积水影响,目前不要求操作员对这些飞机执行本MOM中描述的操作。

参考:MOM-MOM-22-0141-01B 4-5458786264

前后货舱门把手组件基座损伤

1. 在737机队运行中发生过多起货舱门把手组件的基座(HOUSING)出现损伤的情况。

2. 从检查情况来看,损伤的原因是由于门把手背面的保护帽(STUD CAP)丢失导致的,目前机队中有两种构型的保护帽,可通过核实货舱门把手的件号来确定。

3. 针对基座的损伤检查,目前已下发EO737-52-0290在每个C检进行检查,若航线运行中发现损伤,需联系结构工程师获取处置方案,同时检查保护帽是否丢失,及时进行更换。

4. 针对基座损伤的历史案例,厂家给出的处置措施如下(SR 3-4830502761),仅参考。

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