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1、EOA33-71-0005 R00 2014-01-21页码，1 / 62Airlines Limited03110-01香港航空 Airlines MEDAirlines LimitedWO NO/工作指令号SEQ NO/序列号WOHA331054_282_581054 58 TitleInspection Of PW4170 Engine Hinge Fasteners And Hinge Plate Arms On AFTFan Cowl DoorMcd&Rev/厂家工卡&修订日期标题检查 PW4170 发动机后风扇包皮铰链紧固件和支臂A/C/飞机号/组别EO JC No./EO 工卡E

2、O JC Rev/工卡版本Workarea/工作区域Skill/工种Man Hour/工时BLNI/1 EOA33-71-0005 R00动力/PowerplantAIRP/NDT/SMTL08:00/06:00/04:00Baseline/依据Operator EO/营运人 EOEO Rev/EO 版本Work Type/工作类别Threshold/首检Interval/重复检SBPW4G-100-71-45EOA33-HKG71-0004R00Written/编写2014-01-21Reviewed/审核2014-01-21Approved/批准2014-01-21Accomplished

3、完工签署Complete Date完工日期Station维修站PVGREASON & DESCRIPTION/原因及描述普惠调查发现：PW4000-100 发动机后风扇包皮铰链与吊架封严可能存在干涉，后风扇包皮铰链、支臂和紧固件可能存在损伤。为保障飞行安全，保持动力装置可靠性，颁发本 EO 检查发动机左右两侧后风扇包皮铰链安装区域是否因金属吊架封严的干涉而导致损伤，对于超出损伤极限的铰链组件还需要进行更换。Under the Pratt & Whitney investigation: PW4000-100 engine AFT fan cowl hinges may interfere wi

4、th the pylon seal，AFT fan cowl hinges, plate arms and fasteners can be damaged. Therefore, in order to maintain flight safety and powerplant reliability, this EO is released to inspect hinge installations of left hand and right hand aft fan cowl doors for damage caused by interference with the m lic

5、 pylon seal and to replace damaged hinge assemblies that are beyond blend repair limits.TOOLS/工具TOOLS NECESSARY/必须工具ITEM项目P/N件号DESCRIPTION名称EQTP类型QTY数量APP适用性Conditions note互换信息及备注TOOLS IF NECESSARY/视情工具ITEM项目P/N件号DESCRIPTION名称EQTP类型QTY数量APP适用性Conditions note互换信息及备注PARTS AND MATERIAL/航材NOTE:OPERATOR

6、MUST GET AND INSTALL THE PARTS THAT CORRESPOND TO THE RELATIVE WORKORDER NO.注释： 请工作者严格按照工作指令号领取预定的航材装机PARTS AND MATERIAL NECESSARY/必须航材ITEM项目P/N件号DESCRIPTION名称EQTP类型QTY数量APP适用性Conditions note互换信息及备注1NAS1149C0432RWASHERAS8ALL无2MS21046C4NUTAS8ALL无3MS9245-43COTTER PINAS16ALL无EOA33-71-0005 R00 2014-01-2

7、1页码，2 / 62PARTS AND MATERIALIF NECESSARY/视情航材ITEM项目P/N件号DESCRIPTION名称EQTP类型QTY数量APP适用性Conditions note互换信息及备注1MS21043-4NUTAS48ALL视情2NAS1149C0532RWASHERAS8ALL视情3NAS1149C0563RWASHERAS8ALL视情4AN960C10LWASHERAS48ALL视情5NAS1169C10L(33A10)WASHERAS48ALL视情6NAS1149C0516RWasherAS8ALL视情7NAS1291C3MNUTAS48ALL视情8NAS

8、1153V7ASCREWAS48ALL视情972N800-423HINGE ASSY,LEFTAS2ALL视情1072N800-424HINGE ASSY,LEFTAS2ALL视情1172N326-421PLATE ARM ASSYAS4ALL视情1272N326-422PLATE ARM ASSYAS4ALL视情1350F039PIN-RIVET,THREADEDAS48ALL视情14NAS1004-31BOLTAS8ALL视情15ER18137PIN-HUCKCOMP CSKHEADAS48ALL视情16EA06073COLLAR-SWAGE,SHEARAS48ALL视情1772N800-

9、421HINGE ASSY,LEFTAS2ALL视情1872N800-422HINGE ASSY,LEFTAS2ALL视情IMPORTANT NOTE: In the event of any discrepancies between theinstruction and the English instruction, the English procedure should prevail. Record Additional Work/Findings(If Applicable) Reference No. of Release to Service(* Tick as approp

10、riate# Different crews should perform the work on each of the systems)Certifies that the work specified, except as otherwise specified, was carried out in accordance with HKAR-145 and in respect to that work, The aircraft / aircraft components are considered ready for Release to Service. HKA Approva

11、l No: AI / 135 / 706 * HNAT Approval No.: JMM 076, D3039 * HNAT Approval No.: JMM 047, D101115* HNAT Approval No.: JMM 049, D500023 * CASL Approval No: AI / 101 / 798 * TAECO Approval No.: DAI / 89 / 1295 * HAECO Approval No: DAI / 1 / 853 * SIAEC Approval No: AWI / 01 * STARCO Approval No.: JMM 039

12、, D.200078 * SMECO Approval No: JMM 081, D.400009 * AMECO Approval No.: JMM001,D101131* Other:* Signature:Authorization No.:Date: EOA33-71-0005 R00 2014-01-21页码，3 / 62工 卡JobTITLEInspection Of PW4170 Engine Hinge Fasteners And Hinge Plate Arms On AFT Fan Cowl DoorPerfInsp标题检查PW4170发动机后风扇包皮铰链紧固件和支臂工作者

13、检查者Section one (for the left engine)第一部分（对于左发）1. Remove the Aft Fan Cowl Doors as AMM 71-13-15-000-801. See Figure 1.参考AMM71-13-15-000-801拆下后风扇包皮。（参见图1）2. Inspect left and right aft fan cowl doors for damage to the hinge base, the hinge plate arms and the installation fasteners due to pylon sealsint

14、erference as follows and record the inspection result in the following Technical Feedback List.由于吊舱封严的干涉，请参考下述要求，检查左侧和右侧后风扇包皮的铰链基座，铰链支臂和安装紧固件是否存在损伤，并将检查结果记录在后面的技术文件反馈单中。A. Do a General Visual Inspection (GVI) to evaluate the damage in the plate arm, Zone1, (See Figure 2), the hinge base locations, Z

15、one 2, (See Figure 3)and hinge assembly fasteners (See Figure 1).对铰链支臂Zone1（参见图2），铰链基座区域Zone2（参见图3） 和铰链组件紧固件（参见图1）进行一般目视检查以及损伤评估。B. Do a Fluorescent Penetrant Inspection (FPI) of the Zone 1 and Zone 2 damage areas to detect cracks. Use the procedures specified in Reference 1, (Standard Practices Man

16、ual, Chapter/Section 70-33-00, SPOP 70,normal sensitivity.) Refer to Figures 2 and 3 to locate the damage zones.对Zone1和Zone2的损伤区域执行荧光渗透检查（FPI）以便发现裂纹。使用参考资料1 (Standard Practices Manual, Chapter/Section 70-33-00, SPOP 70 normal sensitivity) 中的相关程序，参考图2和3定位损伤区域。C. Determine if the damage is within perm

17、itted limits. Disposition the parts based on the damage limits in Table 1 and as follows:确定损伤是否在允许的范围内。依据表1的损伤标准和下述要求处置部件：1) If the damage to the hinge plate arm in Zone 1 and/or the hinge in Zone 2 is less than or equal to the Allowable Damage Limits (ADL) do the blend repair refer to the appendix

18、procedure .如果铰链支臂上Zone1和/或铰链上Zone2区域的损伤小于等于损伤允许限制（ADL），则参考附录程序进行打磨。2) If the damage to the hinge plate arm assembly (Zone 1) is greater than the permitted limits, replace the plate arm assembly. Refer to (CMM 51A353 Left) (CMM 51A354 Right) and Reference 2, Service Bulletin PW4G-100-71-39 and the pl

19、ate arm replacement in the appendix procedure .如果铰链支臂组件（Zone1）的损伤超过了允许限制，更换支臂组件。使用参考(CMM 51A353 Left) (CMM 51A354 Right)和资料2 Service Bulletin PW4G-100-71-39EOA33-71-0005 R00 2014-01-21页码，4 / 62工 卡JobTITLEInspection Of PW4170 Engine Hinge Fasteners And Hinge Plate Arms On AFT Fan Cowl DoorPerfInsp标题检

20、查PW4170发动机后风扇包皮铰链紧固件和支臂工作者检查者中的相关程序及附录程序更换支臂。3) If the damage to the hinge base (Zone 2) is greater than the permitted limits, replace the entire hinge assembly (hinge and plate arm assembly).Refer to (CMM 51A353 Left) (CMM 51A354 Right) and Reference 2,Service Bulletin PW4G-100-71-39 for hinge asse

21、mbly with plate arm replacement.如果铰链基座（Zone 2）的损伤超过了允许限制，更换整个铰链组件（铰链和支臂组件）使用(CMM 51A353 Left) (CMM 51A354 Right)和参考资料2 Service Bulletin PW4G-100-71-39中的铰链组件和支臂更换程序。4) If there is damage to the hinge base fasteners, Pin, PN ER18137 (LGPL8SCV06B08AC) or Screw, PN NAS1153V7A, Collar,PN EA06073 (3SLCC06

22、) or Washer, PN AN960C10L and Nut,PN NAS1291C3M or the plate arm assembly fasteners, Pin, PN 50F039 (HST10AZ-8-8) and Nut PN MS21043-4, replace the damaged fasteners. Use the part replacement procedures specified in Reference 3 or 4, CMMChapter/Section 71-13-12 and 71-13-13 disassembly/assembly. See

23、 Figure 1.若铰链基座上的紧固件损伤，销钉PN ER18137(LGPL8SCV06B08AC)或螺栓PN NAS1153V7A，锁圈PN EA06073 (3SLCC06)或垫片PN AN960C10L和螺帽PN NAS1291C3M或支臂组件紧固件，销钉PN 50F039(HST10AZ-8-8)和螺帽PN MS21043-4，则参考图1，参考资料 3 或 4 CMM Chapter/Section 71-13-12 and 71-13-13 中的拆装程序， 更换损伤的紧固件。3.Install the Aft Fan Cowl Doors as AMM, TASK 71-13-1

24、5-400-801.参考 AMM71-13-15-400-801 安装后风扇包皮。Section two (for the right engine)第二部分（对于右发）1. Remove the Aft Fan Cowl Doors as AMM 71-13-15-000-801. See Figure 1.参考AMM71-13-15-000-801拆下后风扇包皮。（参见图1）2. Inspect left and right aft fan cowl doors for damage to the hinge base, the hinge plate arms and the insta

25、llation fasteners due to pylon sealsinterference as follows and record the inspection result in the following Technical Feedback List.由于吊舱封严的干涉，请参考下述要求，检查左侧和右侧后风扇包皮的铰链基座，铰链支臂和安装紧固件是否存在损伤，并将检查结果记录在后面的技术文件反馈单中。A.Do a General Visual Inspection (GVI) to evaluate the damage in the plate arm, Zone1, (See

26、Figure 2), the hinge base locations, Zone 2, (See Figure 3)and hinge assembly fasteners (See Figure 1).EOA33-71-0005 R00 2014-01-21页码，5 / 62工 卡JobTITLEInspection Of PW4170 Engine Hinge Fasteners And Hinge Plate Arms On AFT Fan Cowl DoorPerfInsp标题检查PW4170发动机后风扇包皮铰链紧固件和支臂工作者检查者对铰链支臂Zone1（参见图2），铰链基座区域Z

27、one2（参见图3） 和铰链组件紧固件（参见图1）进行一般目视检查以及损伤评估。B.Do a Fluorescent Penetrant Inspection (FPI) of the Zone 1 and Zone 2 damage areas to detect cracks. Use the procedures specified in Reference 1, (Standard Practices Manual, Chapter/Section 70-33-00, SPOP 70,normal sensitivity.) Refer to Figures 2 and 3 to lo

28、cate the damage zones.对Zone1和Zone2的损伤区域执行荧光渗透检查（FPI）以便发现裂纹。使用参考资料1 (Standard Practices Manual, Chapter/Section 70-33-00, SPOP 70 normal sensitivity) 中的相关程序，参考图2和3定位损伤区域。C.Determine if the damage is within permitted limits. Disposition the parts based on the damage limits in Table 1 and as follows:确定

29、损伤是否在允许的范围内。依据表1的损伤标准和下述要求处置部件：1) If the damage to the hinge plate arm in Zone 1 and/or the hinge in Zone 2 is less than or equal to the Allowable Damage Limits (ADL) do the blend repair refer to the appendix procedure .如果铰链支臂上Zone1和/或铰链上Zone2区域的损伤小于等于损伤允许限制（ADL），则参考附录程序进行打磨。2) If the damage to the

30、hinge plate arm assembly (Zone 1) is greater than the permitted limits, replace the plate arm assembly. Refer to (CMM 51A353 Left) (CMM 51A354 Right) and Reference 2, Service Bulletin PW4G-100-71-39 and the plate arm replacement in the appendix procedure.如果铰链支臂组件（Zone1）的损伤超过了允许限制，更换支臂组件。使用参考(CMM 51A

31、353 Left) (CMM 51A354 Right)和资料2 Service Bulletin PW4G-100-71-39中的相关程序及附录程序更换支臂。3) If the damage to the hinge base (Zone 2) is greater than the permitted limits, replace the entire hinge assembly (hinge and plate arm assembly).Refer to (CMM 51A353 Left) (CMM 51A354 Right) and Reference 2,Service Bul

32、letin PW4G-100-71-39 for hinge assembly with plate arm replacement.如果铰链基座（Zone 2）的损伤超过了允许限制，更换整个铰链组件（铰链和支臂组件）使用(CMM 51A353 Left) (CMM 51A354 Right)和参考资料2 Service Bulletin PW4G-100-71-39中的铰链组件和支臂更换程序。4) If there is damage to the hinge base fasteners, Pin, PN ER18137 (LGPL8SCV06B08AC) or Screw, PN NAS

33、1153V7A, Collar,PN EA06073 (3SLCC06) or Washer, PN AN960C10L and Nut,PN NAS1291C3M or the plate arm assembly fasteners, Pin, PN 50F039EOA33-71-0005 R00 2014-01-21页码，6 / 62工 卡JobTITLEInspection Of PW4170 Engine Hinge Fasteners And Hinge Plate Arms On AFT Fan Cowl DoorPerfInsp标题检查PW4170发动机后风扇包皮铰链紧固件和支

34、臂工作者检查者(HST10AZ-8-8) and Nut PN MS21043-4, replace the damaged fasteners. Use the part replacement procedures specified in Reference 3 or 4, CMMChapter/Section 71-13-12 and 71-13-13 disassembly/assembly. See Figure 1.若铰链基座上的紧固件损伤，销钉PN ER18137(LGPL8SCV06B08AC)或螺栓PN NAS1153V7A，锁圈PN EA06073 (3SLCC06)或垫

35、片PN AN960C10L和螺帽PN NAS1291C3M或支臂组件紧固件，销钉PN 50F039(HST10AZ-8-8)和螺帽PN MS21043-4，则参考图1，参考资料 3 或 4 CMM Chapter/Section 71-13-12 and 71-13-13 中的拆装程序， 更换损伤的紧固件。3. Install the Aft Fan Cowl Doors as AMM, TASK 71-13-15-400-801.参考 AMM71-13-15-400-801 安装后风扇包皮。4. Restore the aircraft to the serviceable conditio

36、n.将飞机恢复到可用状态。技术文件反馈单/Technical Feedback List工程师填写以下内容：Engineer fill the below list技术文件号Technical Document NO.EOA33-HKG71-0004技术文件标题Technical Document Title检查 PW4170 发动机后风扇包皮铰链紧固件和支臂Inspection Of PW4170 Engine Hinge Fasteners And Hinge PlateArms On AFT Fan Cowl Door所需反馈信息检查结果EOA33-71-0005 R00 2014-01

37、-21页码，7 / 62工 卡JobTITLEInspection Of PW4170 Engine Hinge Fasteners And Hinge Plate Arms On AFT Fan Cowl DoorPerfInsp标题检查PW4170发动机后风扇包皮铰链紧固件和支臂工作者检查者Feedback InformationInspection result反馈对象Feedback To 技术服务部发动机管理中心动力装置工程师/TS EMC PPE 香港航空工程部/HK ENGTS反馈途径Feedback By 发邮件到 ts engts to ts engts反馈目的Feedbac

38、k For TS 据此收集数据TS collect data工作者填写以下内容：Technician fill the below list反馈记录单/Feedback Record List飞机号/Aircraft左发/LH ENG No.右发/RH ENG No.工作者/Technician日期/Date所需反馈信息的具体情况More Information左发/LH ENG:-外侧后风扇整流罩/OUTSIDE AFT FAN COWL DOOR-前侧铰链组件/FWD HINGE ASSY区域 1（若发现刻痕裂纹则在是后标记）Zone 1 (if you found thes or cra

39、cks please mark at yes)刻痕/s:是/ yes否/no 裂纹/Cracks:是/ yes否/ no_ 支臂是否需要更换：If the plate arm need to be replaced: 是/ yes否/ no 区域 2（若发现刻痕裂纹则在是后标记）Zone 2 (if you found thes or cracks please mark at yes)刻痕/s:是/ yes否/no 裂纹/Cracks:是/ yes否/ no_ 铰链是否需要更换：If the hinge need to be replaced: 是/ yes否/ no 铰链组件上的紧固件（若

40、发现损伤请标记)Hinge Assembly Fasteners (if you found damage please mark )损伤/Damage: 是/ yes否/ no EOA33-71-0005 R00 2014-01-21页码，8 / 62工 卡JobTITLEInspection Of PW4170 Engine Hinge Fasteners And Hinge Plate Arms On AFT Fan Cowl DoorPerfInsp标题检查PW4170发动机后风扇包皮铰链紧固件和支臂工作者检查者-后侧铰链组件/AFT HINGE ASSY区域 1（若发现刻痕裂纹则在是

41、后标记）Zone 1 (if you found thes or cracks please mark at yes)刻痕/s:是/ yes否/no 裂纹/Cracks:是/ yes否/ no_ 支臂是否需要更换：If the plate arm need to be replaced: 是/ yes否/ no 区域 2（若发现刻痕裂纹则在是后标记）Zone 2 (if you found thes or cracks please mark at yes)刻痕/s:是/ yes否/no 裂纹/Cracks:是/ yes否/ no_ 铰链是否需要更换：If the hinge need to

42、be replaced: 是/ yes否/ no 铰链组件上的紧固件（若发现损伤请标记)Hinge Assembly Fasteners (if you found damage please mark ) 损伤/Damage: 是/ yes否/ no -内侧后风扇整流罩/INSIDE AFT FAN COWL DOOR-前侧铰链组件/FWD HINGE ASSY区域 1（若发现刻痕裂纹则在是后标记）Zone 1 (if you found thes or cracks please mark at yes)刻痕/s:是/ yes否/no 裂纹/Cracks:是/ yes否/ no_ 支臂是否

43、需要更换：If the plate arm need to be replaced: 是/ yes否/ no 区域 2（若发现刻痕裂纹则在是后标记）Zone 2 (if you found thes or cracks please mark at yes)EOA33-71-0005 R00 2014-01-21页码，9 / 62工 卡JobTITLEInspection Of PW4170 Engine Hinge Fasteners And Hinge Plate Arms On AFT Fan Cowl DoorPerfInsp标题检查PW4170发动机后风扇包皮铰链紧固件和支臂工作者检

44、查者刻痕/s:是/ yes否/no 裂纹/Cracks:是/ yes否/ no_ 铰链是否需要更换：If the hinge need to be replaced: 是/ yes否/ no 铰链组件上的紧固件（若发现损伤请标记)Hinge Assembly Fasteners (if you found damage please mark ) 损伤/Damage: 是/ yes否/ no -后侧铰链组件/AFT HINGE ASSY区域 1（若发现刻痕裂纹则在是后标记）Zone 1 (if you found thes or cracks please mark at yes)刻痕/s:是

45、/ yes否/no 裂纹/Cracks:是/ yes否/ no_ 支臂是否需要更换：If the plate arm need to be replaced: 是/ yes否/ no 区域 2（若发现刻痕裂纹则在是后标记）Zone 2 (if you found thes or cracks please mark at yes)刻痕/s:是/ yes否/no 裂纹/Cracks:是/ yes否/ no_ 铰链是否需要更换：If the hinge need to be replaced: 是/ yes否/ no 铰链组件上的紧固件（若发现损伤请标记)Hinge Assembly Fasten

46、ers (if you found damage please mark ) 损伤/Damage: 是/ yes否/ no 右发/RH ENG-外侧后风扇整流罩/OUTSIDE AFT FAN COWL DOOREOA33-71-0005 R00 2014-01-21页码，10 / 62工 卡JobTITLEInspection Of PW4170 Engine Hinge Fasteners And Hinge Plate Arms On AFT Fan Cowl DoorPerfInsp标题检查PW4170发动机后风扇包皮铰链紧固件和支臂工作者检查者-前侧铰链组件/FWD HINGE AS

47、SY区域 1（若发现刻痕裂纹则在是后标记）Zone 1 (if you found thes or cracks please mark at yes)刻痕/s:是/ yes否/no 裂纹/Cracks:是/ yes否/ no_ 支臂是否需要更换：If the plate arm need to be replaced: 是/ yes否/ no 区域 2（若发现刻痕裂纹则在是后标记）Zone 2 (if you found thes or cracks please mark at yes)刻痕/s:是/ yes否/no 裂纹/Cracks:是/ yes否/ no_ 铰链是否需要更换：If t

48、he hinge need to be replaced: 是/ yes否/ no 铰链组件上的紧固件（若发现损伤请标记)Hinge Assembly Fasteners (if you found damage please mark ) 损伤/Damage: 是/ yes否/ no -后侧铰链组件/AFT HINGE ASSY区域 1（若发现刻痕裂纹则在是后标记）Zone 1 (if you found thes or cracks please mark at yes)刻痕/s:是/ yes否/no 裂纹/Cracks:是/ yes否/ no_ 支臂是否需要更换：If the plate

49、 arm need to be replaced: 是/ yes否/ no 区域 2（若发现刻痕裂纹则在是后标记）Zone 2 (if you found thes or cracks please mark at yes)刻痕/s:是/ yes否/no EOA33-71-0005 R00 2014-01-21页码，11 / 62工 卡JobTITLEInspection Of PW4170 Engine Hinge Fasteners And Hinge Plate Arms On AFT Fan Cowl DoorPerfInsp标题检查PW4170发动机后风扇包皮铰链紧固件和支臂工作者检

50、查者裂纹/Cracks:是/ yes否/ no_ 铰链是否需要更换：If the hinge need to be replaced: 是/ yes否/ no 铰链组件上的紧固件（若发现损伤请标记)Hinge Assembly Fasteners (if you found damage please mark ) 损伤/Damage: 是/ yes否/ no -内侧后风扇整流罩/INSIDE AFT FAN COWL DOOR-前侧铰链组件/FWD HINGE ASSY区域 1（若发现刻痕裂纹则在是后标记）Zone 1 (if you found thes or cracks please

51、mark at yes)刻痕/s:是/ yes否/no 裂纹/Cracks:是/ yes否/ no_ 支臂是否需要更换：If the plate arm need to be replaced: 是/ yes否/ no 区域 2（若发现刻痕裂纹则在是后标记）Zone 2 (if you found thes or cracks please mark at yes)刻痕/s:是/ yes否/no 裂纹/Cracks:是/ yes否/ no_ 铰链是否需要更换：If the hinge need to be replaced: 是/ yes否/ no 铰链组件上的紧固件（若发现损伤请标记)Hinge Assembly Fasteners (if you found damage please mark ) 损伤/Damage: 是/ yes否/ no -后侧铰链组件/AF