Open these access panels:
Number Name/Location
522CB Slat No. 4 - Cove Skin
523CB Slat No. 3 - Cove Skin
524CB Slat No. 2 - Cove Skin
622CB Slat No. 5 - Cove Skin
623CB Slat No. 6 - Cove Skin
624CB Slat No. 7 - Cove Skin
SUBTASK 30-11-31-010-008
(2) Do this to remove the access door from the outer slat.
(a) Remove the cover plate [22]
SUBTASK 30-11-31-020-010
(3) Do this to remove the blade seal [24]:
(a) Remove the retaining bolts [32].
(b) Remove the washers [33], sleeves [34], springs [35], spacers [36], and spring
retainers [37] (2 locations).
(c) Remove the washer [33], washers [44], sleeve [34], spring [35], spacer [36], and spring
retainer [37].
SUBTASK 30-11-31-030-002
(4) Remove the retaining bolts [25] and washers [43] from the spray duct [27] on both ends of the
slat.
SUBTASK 30-11-31-030-003
(5) Move the spray duct [27] out from the rib ends [31] until the outer telescoping duct [26], with
the spray duct bearings [19], can be removed.
(a) Remove the outer telescoping duct [26].
NOTE: If there is not sufficient clearance between angle details of the leading edge to
remove the duct, do a modification of the leading edge angles (LEADING EDGE
FLAP AND SLAT CONTROL SYSTEM - MAINTENANCE PRACTICES,
PAGEBLOCK 27-81-00/201).
SUBTASK 30-11-31-030-005
(6) Remove the spray duct bearings [19].
G. Inner Telescoping Duct Removal
SUBTASK 30-11-31-020-013
WARNING
DO NOT LET OBJECTS GET IN THE HOUSING ASSEMBLY OF THE SLAT
TRACK. THIS WILL HELP PREVENT A PUNCTURE OF THE HOUSING
ASSEMBLY THAT COULD CAUSE A FUEL LEAK. THE FUEL LEAK COULD
CAUSE A FIRE AND POSSIBLE DEATH OR INJURY TO PERSONNEL.
(1) Do this to remove the supply ducts [6], bearing [10] and bearing [14]:
(a) Remove the bolt [16], bolt [17], bolt [18] and washers [15].
(b) Disconnect the clamp [5] from one side of the supply duct [6].
1) Remove the section from the supply ducts [6].
(c) Remove the bearing [10] and bearing [14].
(2) Turn the inner telescoping duct [1] 90 degrees and lower the duct from the wing.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-11-31
Page 436
D633A101-ILF Jun 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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