(a) For the left wing, close these access panel:
Number Name/Location
521DB Lower Leading Edge Access Panel - Slat Station 71.38
521KB Lower Leading Edge Access Panel - Slat Station 188.12
521RB Lower Leading Edge Access Panel - Slat Station 307.75
(b) For the right wing, close these access panel:
Number Name/Location
621DB Lower Leading Edge Access Panel - Slat Station 71.38
621JB Lower Leading Edge Access Panel - Slat Station 188.14
621QB Lower Leading Edge Access Panel - Slat Station 307.75
SUBTASK 30-11-31-440-001
(2) Do this task: Leading Edge Flap and Slat Locks Removal, TASK 27-81-00-080-801.
END OF TASK
TASK 30-11-31-000-802
4. Wing Anti-Ice Telescoping Duct Removal
Figure 402
A. General
(1) This task gives instructions to remove the Wing Anti-Ice Telescoping Duct.
B. References
Reference Title
27-81-00 P/B 201 LEADING EDGE FLAP AND SLAT CONTROL SYSTEM -
MAINTENANCE PRACTICES
27-81-00-480-801 Leading Edge Flap and Slat Locks Installation (P/B 201)
57-41-02-000-801 Leading Edge Access Panel Removal (P/B 201)
C. Location Zones
Zone Area
520 Subzone - Left Wing: Leading Edge, Fwd of Front Spar, Outboard of Strut and
Nacelle Gap Cover Area
620 Subzone - Right Wing: Leading Edge, Forward of Front Spar, Outboard of Nacelle
Strut
D. Access Panels
Number Name/Location
521DB Lower Leading Edge Access Panel - Slat Station 71.38
521KB Lower Leading Edge Access Panel - Slat Station 188.12
521RB Lower Leading Edge Access Panel - Slat Station 307.75
522CB Slat No. 4 - Cove Skin
523CB Slat No. 3 - Cove Skin
524CB Slat No. 2 - Cove Skin
621DB Lower Leading Edge Access Panel - Slat Station 71.38
621JB Lower Leading Edge Access Panel - Slat Station 188.14
621QB Lower Leading Edge Access Panel - Slat Station 307.75
622CB Slat No. 5 - Cove Skin
623CB Slat No. 6 - Cove Skin
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-11-31
Page 434
D633A101-ILF Jun 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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