尾撬余水口发现螺钉

SR 3-5396507207

2022年8月,机队运行中连续两架飞机反应在尾撬余水口发现螺钉。

打开狗洞和尾撬的盖板,并未发现丢失,且该规范号并为在该区域找到适用。

波音表示非常少用到,可能与结构修理相关。

The screw found in B-17X5 looks similar to BACS12CK type screw.  This screw has few installations in section 48.  Boeing notes that BACS12CK screws are installed at the STA 1016 cable seal installation.  See AIPC 27-41-00-11.

The bolt found on B-57X5 looks to be a typical structural permanent fastener, but the head marking does not reveal any possible source.

Boeing appreciates HNA completed inspection of tail skid zone and tail compartment.  Boeing recommends reviewing recent maintenance or repairs in section 48 that would include part and fastener removals.  Boeing recommends another inspection verification of systems installations for missing screws and structure installations, including brackets, for missing permanent fasteners.

主起落架上锁弹簧断裂

2022年6月有54*8飞机检查发现右主起落架的上位锁弹簧后侧的丢失,过站完成FOD特检工卡,在轮舱位置找到部分丢失的部件,检查轮舱其余部件无损伤,依据MEL放行飞机。

54*8飞机的线号为2806,于2009年3月交付。厂家有相关SL说明,表明一定批次线号的弹簧可能存在生产缺陷。本机在该范围。机队于2011年已下发过EO执行普查(47架),本机完成普查无异常。

机队当前仍有37架服役飞机在该范围。

机队表现看5年以来发过两个:2018.1 79*0(线号6027),2018.3 5268(线号1382)

主题:主起落架上锁弹簧断裂 737-SL-32-173

型号:737-600/-700/-700 C/-800/-900/-900 ER/BBJ

适用范围:从生产线号2214到3466的所有737 NG飞机,以及从2008年12月到2010年10月购买的弹簧备件。

概要:

 此服务信函的目的是向运营商提供关于主起落架(MLG)上锁弹簧因可疑的制造问题导致吊钩断裂和丢失的建议。此信函建议运营商在方便维护的机会下,更换受影响飞机上的可疑弹簧,以防止航班中断。

背景:

 一些737-600/-700/-800/-900 ER/BBJ维修人员在例行维修检查中发现两个PN:161A6114-3主起落架上锁弹簧断裂或丢失。 上锁弹簧可以参考IPC查到件号。在许多情况下,飞机是根据MMEL项目派遣放行的,直到断裂/缺失的弹簧被替换。不过,在少数情况下, 飞机停飞,直到买到新的弹簧为止。 

 这些断裂主要发生在1800到6500飞行循环的飞机上。目前还不知道飞机在失去弹簧的情况下运行了多少周期。几乎全部的弹簧断裂报告来自于2008年1月以后。

 对几个断裂的弹簧进行了冶金检查分析。这些检查确定弹簧断裂是由于在弹簧表面异常引起的疲劳裂纹。所观察到的异常类型为扁平点和微结构组织外径局部损伤的硬层。这些异常很可能是由制造过程产生的。

供应商措施:

 弹簧供应商修订了PN161A6114-3弹簧的生产工艺,以确保上述缺陷不存在。

波音行动:

 弹簧供应商从生产线号2214开始更换。波音公司将断裂报告和与弹簧的制造差异通知了弹簧供应商。波音公司断裂的弹簧都是由新供应商制造的。这些弹簧装在生产线号2214到3466的飞机上。

 波音公司审查了供应商修订的制造工艺,并检查了弹簧制造使用改进的过程。没有发现任何不符之处。因此,波音公司认为,在生产线号3467之后的飞机上交付的弹簧制造良好。生产线号3467是 在2010年11月出厂的。波音公司已经清除了可疑弹簧的零部件库存。

建议的运营商措施:

 对于受影响的飞机(线号2214至3466,以及使用200810月从波音购买的备用弹簧的飞机),波音公司建议采取下列行动:

    在日常检查过程中,检查主起落架上的MLG上锁组件是否有丢失或断裂的上锁弹簧。直到用新弹簧替换,才终止此检查。 检查的周期应根据各自运营商的服务经验和他们各自的维修计划。

 如果操作人员发现一个断裂或缺失的上锁弹簧,就可以参考737 MMEL项目派遣放行飞机。如果在一个上锁机构的两个弹簧都丢失或断裂, 飞机依据 MMEL飞机放行前,必须安装至少一个良好弹簧。

    在方便维修的时机,受影响飞机的运营商应该用新的弹簧替换PN:161A6114-3 MLG上锁弹簧。

操作人员可以根据CMM程序或参考AMM程序更换上锁弹簧。

1.如果按AMM程序更换弹簧,则不需要执行起落架收放试验。 

2.丢弃拆下的弹簧以防止它们在另一架飞机上被重复使用。

估计工时:

本服务函推荐更换4个MLG上锁弹簧需要约2小时的工时。

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

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