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747-400 MAINTENANCE MANUAL
NACELLE AND ENGINE - TO - WING FAIRING ACCESS DOORS AND PANELS
______________________________________________________________ MAINTENANCE PRACTICES
_____________________
1. General_______
A. The top collector drawing number for the Access doors and Panel for PW 4000 ENGINES is 310U4071 (INBOARD) and 320U4071 (OUTBOARD)
TASK 06-09-09-912-001
2. Nacelle and Engine - To - Wing Fairing Access Doors and Panels______________________________________________________________
A. General
(1) For the Location of Access doors and panels, see Fig. 201, 202.
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747-400 MAINTENANCE MANUAL
NAC NAC STA 451C STA
177.5
423A ENGINE 2 (LEFT SIDE)
1
AIRPLANE WITH ACCESS DOOR,
UPPER STRUT
Nacelle and Engine-to-Wing Fairing Access Doors and Panels (Left)
Figure 201 (Sheet 1)
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747-400
MAINTENANCE MANUAL
NAC NAC
471BL 1
STA STA
147.14 472TL 324.95
472UL
471B
471AL 471C 472VL
472RL 472CL 472EL 472WL 471DL 474DL
NAC 472BL 472JL 474AL 474B 474D
STA 471A
35.78 472AL
435A
474AL NAC WL
472SL 474CL474BL
125.9
472QL 472HL NAC WL
472LL 472GL 472PL
100.00
472NL
439472DL 472XL
472FL NAC
472XJL 472ML STA
437
437B 283.38 437A 431B 435
435B
433 NAC
431 435C
STA 433A
177.5
ENGINE 3 (LEFT SIDE)
NAC 481BL
STA NAC
147.14 481C STA 482TL 324.95
482EL 484B481AL 482RL 482UL 484AL
482CL
481B 482GL
482BL 482VL 481A 482AL
482HL 445A 484CLNAC WL
125.9
484BL
482SL 482LL 482FL 482KLNAC WL 482DL
100.00 482JL 449447A 447
447B
445B 445
445C 441 441B 443 443A ENGINE 4 (LEFT SIDE)
Nacelle and Engine-to-Wing Fairing Access Doors and Panels (Left)
Figure 201 (Sheet 2)
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MAINTENANCE MANUAL
~............................................................................... | TABLE I | ................................................................................. | PANEL NO., LEFT SIDE | | ......................................... TITLE | |ENGINE 1 |ENGINE 2 |ENGINE 3 |ENGINE 4 | | ................................................................................. | 411 | 421 | 431 | 441 |Nose Cowl| | 411B | 421B | 431B | 441B |Access Door, Thermal Anti-Ice Pressure| | | | | |Relief| | 413 | 423 | 433 | 443 |Fan Cowl| | 413A | 423A | 433A | 443A |Access Door, Anti-Ice Duct Rupture| | | | | |Relief| | 415 | 425 | 435 | 445 |Thrust Reverser Half| | 415A | 425A | 435A | 445A |Access Door, Thrust Reverser Actuator| | | | | |(Nonlocking, Upper)| | 415B | 425B | 435B | 445B |Access Door, Thrust Reverser Actuator| | | | | |(Locking)| | 415C | 425C | 435C | 445C |Access Door, Thrust Reverser Actuator| | | | | |(Nonlocking, lower)| | 417 | 427 | 437 | 447 |Core Cowl| | 417A | 427A | 437A | 447A |Access Door, Core Cowl Pressure Relief| | | | | |(Oil Fill/Filter)| | 417B | 427B | 437B | 447B |Access Door, IDGS Service Pressure| | | | | |Relief| | 419 | 429 | 439 | 449 |Primary Sleeve Assy| | 451A | 461A | 471A | 481A |No. 2 Forward Fairing| | 451AL | 461AL | 471AL | 481AL |Access Door, Thermal Anti-Ice| | 451B | 461B | 471B | 481B |No. 3 Forward Fairing| | 451BL | | | 481BL |Access Door, Thrust Reverser Isolation| | | | | |Valve| | | 461BL | 471BL | |Access Door, Upper Strut| | 451C | 461C | 471C | 481C |No. 4 Forward Fairing| | | 461DL | 471DL | |Access Panel, Under Wing Fairing| | 452AL | 462AL | 472AL | 482AL |Access Door, Core Cowl to Strut| | | | | |(Forward)| | 452BL | 462BL | 472BL | 482BL |Access Door, Core Cowl to Strut (Aft)| | 452CL | 462CL | 472CL | 482CL |Access Door, Upper Midspar Pressure| | | | | |Relief (Forward)| | 452DL | 462DL | 472DL | 482DL |Access Door, Midlower Strut (Forward)| | 452EL | 462EL | 472EL | 482EL |Access Door, Upper Midspar Pressure| | | | | |Relief (Aft)| | 452FL | 462FL | 472FL | 482FL |Access Door, Midlower Strut (Aft)| | 452GL | | | 482GL |Access Door, Spring Beam Bearing| | | 462GL | 472GL | |Access Door, Lower Midspar Pressure| | | | | |Relief (Aft)| | 452HL | | | 482HL |Access Door, Midspar Fitting| | | 462HL | 472HL | |Access Door, Lower Midspar Pressure| | | | | |Relief (Aft)| 中國航空網 m.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：747-400 AMM 飛機維護手冊 尺寸和區域(20)
