TASK 53-05-03-210-821
24. INTERNAL - GENERAL VISUAL: KEEL BEAM UNDER WING-TO-BODY FAIRING (under wing box)
(Figure 226)
NOTE: This procedure is a scheduled maintenance task.
A. Location Zones
Zone Area
139 Keel Beam, (Part) Body Station 540.00 to Body Station 727.00
192 Lower Wing-To-Body Fairing - Under Wing Box
B. Access Panels
Number Name/Location
192CL ECS Access Door
192CR ECS Access Door
192E ECS Under Keel Panel - Forward
192F ECS Under Keel Panel - Middle
S1004 Keel Beam Under Wing-to-Body Fairing (Under Wing Box) Inspection
C. Inspection
SUBTASK 53-05-03-010-071
(1) Open these access panels:
Number Name/Location
192CL ECS Access Door
192CR ECS Access Door
192E ECS Under Keel Panel - Forward
192F ECS Under Keel Panel - Middle
S1004 Keel Beam Under Wing-to-Body Fairing (Under Wing Box)
Inspection
NOTE: Remove ECS Under Keel Panels (192E and 192F) and open ECS Access Doors
(192CL and 192CR).
Remove / displace AC pack components are required.
SUBTASK 53-05-03-210-021
(2) Do a General Visual inspection of the keel beam under wing-to-body fairing (under wing box,
Sta 540 to 663.75), including keel beam chords, webs, stiffeners, splice, keel beam/rear spar
attachment angles.
SUBTASK 53-05-03-910-026
(3) 737-6789 Basic Task Description, AMM Task 51-05-01-210-804.
SUBTASK 53-05-03-410-071
(4) Close these access panels:
Number Name/Location
192CL ECS Access Door
192CR ECS Access Door
192E ECS Under Keel Panel - Forward
192F ECS Under Keel Panel - Middle
S1004 Keel Beam Under Wing-to-Body Fairing (Under Wing Box)
Inspection
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-05-03
Page 281
D633A101-ILF Jun 15/2018
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
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