SUBTASK 53-05-03-020-003
(3) Remove the cotter pins [5], nuts [4], washers [2], washers [3], washers [6] and bolts [1] from
the front spar attach fittings.
NOTE: There is a bolt on the left side and the right side. Only remove one bolt at a time to
keep the fin aligned.
SUBTASK 53-05-03-210-043
(4) Do a General Visual inspection of the vertical fin front spar fitting lugs and bolts (STA 1016).
SUBTASK 53-05-03-910-072
(5) 737-6789 Basic Task Description, TASK 51-05-01-210-804.
SUBTASK 53-05-03-110-001
(6) Clean the bolts and bolt holes with solvent, B00083.
SUBTASK 53-05-03-420-001
(7) Install the fasteners of the front spar fitting:
(a) Apply a layer of grease, D00015 on the shank of the bolts [1].
NOTE: Apply grease only to the shank of the bolts.
(b) Apply anti-seize compound, D50004 to the bolt threads and the nut threads.
(c) Install the bolts [1], washers [2], washers [3], washers [6] and nuts [4].
1) Torque the nuts [4] to 50–1500 pound-inches (5.6–169.5 Nm).
NOTE: Maintain the required gaps shown in View A-A.
NOTE: Align nut with the cotter pin hole in the bolt.
2) Install the cotter pins [5].
SUBTASK 53-05-03-410-040
(8) Close these access panels:
Number Name/Location
323AL Vertical Fin, Front Spar Access Door
323AR Vertical Fin, Front Spar Access Door
323BL Vertical Fin, Forward Fin Access Door
323BR Vertical Fin, Forward Fin Access Door
SUBTASK 53-05-03-080-001
(9) Remove the sling equipment, SPL-2032.
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-05-03
Page 298.82
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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