Boeing 737-600 - Subtask 30-11-31-790-002; Subtask 30-11-31-410-010; Subtask 30-11-31-420-005; Subtask 30-11-31-420-011

(c) Install the backup plates [28].
1) Apply compound, C00528, to the hex bolt on the lower backup plate [28].
J. Wing Anit-Icing Duct Leak Test
SUBTASK 30-11-31-790-002
(1) Do this task: Wing Anti-Icing Duct - Leak Test, TASK 30-11-00-790-801.
K. Put the Airplane Back to Its Usual Condition
SUBTASK 30-11-31-410-010
(1) Install these panels per Leading Edge Access Panel Installation, TASK 57-41-02-400-801, as
needed:
(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 30-11-31-420-005
(2) Clean the mating surfaces of the ground strap [40] and bracket [39].
(a) Use a cotton wiper, G00034, made moist with alcohol, B00130.
(b) Immediately dry the surfaces with a new cotton wiper.
SUBTASK 30-11-31-420-011
(3) Install the bolts [38], ground strap [40], washers [41], and nuts [42] that hold the bracket [39] to
the outer telescoping duct [26].
(a) Adjust the vertical position of the bracket [39] to make sure that it is flush with the other
access panels.
(b) Tighten the bolts [38] after the vertical position of the bracket [39] is set.
(c) Do a bonding check for the ground strap [40].
1) Use an intrinsically safe approved bonding meter, COM-1550, to measure a
maximum overall resistance of 0.010 ohms between the door and the duct.
(d) Apply sealant, A50231, to the terminal that was removed.
SUBTASK 30-11-31-860-008
(4) Retract the slats to the full up position (TASK 27-81-00-080-801).
SUBTASK 30-11-31-410-004
(5) Adjust the telescoping duct door [2], if needed, to get equal clearances on the inboard and
outboard sides, and equal clearances and on the forward and aft sides as specified in
Figure 402.
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-11-31
Page 471
D633A101-ILF Oct 15/2017
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL