NOTE: For area below stringer 12, remove APU and firewalls; remove APU plenum as
required. For area above stringer 12, adjust stabilizer trim as required. For access to
Sta 1156 horizontal stabilizer hinge fitting lugs and bolts, remove gap seal and
horizontal stabilizer rear spar sliding seal as required.
SUBTASK 53-05-03-210-039
(2) Do a General Visual inspection of the stabilizer torsion box compartment and APU
compartment, including:
1. Skin panels (skins, frames and stringers), longitudinal lap splices.
2. STA 1088 bulkhead, including vertical fin rear spar fittings.
3. Forward side of STA 1156 bulkhead, including horizontal stabilizer hinge fittings and bolts.
4. Upper horizontal deck (at stringer 6) and lower horizontal deck (at stringer 12).
SUBTASK 53-05-03-910-068
(3) 737-6789 Basic Task Description, AMM Task 51-05-01-210-804.
SUBTASK 53-05-03-410-072
(4) Close this access panel:
Number Name/Location
343AB Horizontal Stabilizer, Gap Cover - H. Stab. to Body
(a) Make sure that the blade seal is installed correctly into the forward track channel.
SUBTASK 53-05-03-410-036
(5) Close these access panels:
Number Name/Location
311BL Stabilizer Trim Access Door
315A APU Cowl Door
331A Horizontal Stabilizer, Gap Cover, Horizontal Stabilizer To Body
332AB Horizontal Stabilizer, Gap Cover, Horizontal Stabilizer to Body
332AT Horizontal Stabilizer, Gap Cover, Horizontal Stabilizer to Body
341A Horizontal Stabilizer, Gap Cover, Horizontal Stabilizer To Body
342AB Horizontal Stabilizer, Gap Cover - H. Stab. to Body
342AT Gap Cover, Horizontal Stabilizer
343AT Horizontal Stabilizer, Gap Cover - H. Stab. to Body
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-05-03
Page 298.72
D633A101-ILF Jun 15/2018
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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