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27-59-00-730-801 Flap Skew Detection System Functional Test (P/B 501)
27-59-00-820-801 Flap Skew Detection System Adjustment (P/B 501)
27-59-01-400-802 Outboard Flap Inboard Skew Sensor Installation (P/B 201)
SWPM 20-60-03 Standard Wiring Practices Manual
C. Consumable Materials
Reference Description Specification
A00247 Sealant - Pressure And Environmental - Chromate
Type
BMS5-95
A02315 Sealant - Low Density, Synthetic Rubber. 2 Part BMS5-142
C00913 Compound - Nondrying Resin Mix Corrosion
Inhibiting Material
BMS3-27
G50171 Compound - Corrosion Inhibiting Compound,
Interior Application - D5026NS or ZC-026
D. Expendables/Parts
AMM Item Description AIPC Reference AIPC Effectivity
42 Input assembly 27-59-00-10-050 GUN ALL
27-59-00-10-055 GUN ALL
E. Location Zones
Zone Area
543 Left Wing - Fairing Flap Support No. 2
643 Right Wing - Fairing Flap Support No. 7
F. Procedure
SUBTASK 27-59-02-860-008
(1) Make sure that these circuit breakers are open:
F/O Electrical System Panel, P6-2
Row Col Number Name
A 11 C01443 FC TE FLAP POS/SKEW SNSR & IND RIGHT
A 12 C00213 FC TE FLAP POS/SKEW SNSR & IND LEFT
SUBTASK 27-59-02-420-005
(2) Install the sensor input assembly [42]:
(a) Apply a layer of compound, C00913 to the mating surface of the sensor input assembly [42]
and the flap track [41].
(b) Apply compound, C00913 to the shank and threads of the bolts [49].
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-59-02
Page 211
Oct 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
(c) Put the sensor input assembly [42] in its location on the flap track [41].
(d) Install the bolts [49], washers [50], washers [51] and nuts [52] that attach the sensor input
assembly [42] to the flap track [41].
(e) Install the bolt [43], washer [44], washer [45], washer [46] and nut [47] to attach the jumper
wire [48] and the sensor input assembly [42] to the flap track [41].
NOTE: Install the washer [45] under the jumper wire [48].
(f) Make sure the bonding resistance between the flap track [41] and the jumper wire [48] is
less than 8 milliohms.
(g) Apply a bead of sealant, A02315 or sealant, A00247 around the bolt [43] and the nut [47].
SUBTASK 27-59-02-420-006
(3) Install the control rod [61]:
(a) Apply compound, C00913 to the shank and threads of the bolts [56].
(b) Put the control rod [61] in its position between the carriage [62] and the crank arm [55].
NOTE: Make sure the adjustable end of the control rod [61] attaches to the crank arm
[55].
(c) Install the bolts [56], washers [57], bushings [58], washers [59] and nuts [60] to attach the
control rod [61].
NOTE: Install the bolts [56] with the heads toward the center of the flap track [41].
SUBTASK 27-59-02-820-002
(4) Do this task: Flap Skew Detection System Adjustment, TASK 27-59-00-820-801.
SUBTASK 27-59-02-420-007
(5) If the flap skew sensor [53] is not installed, do this task: Outboard Flap Inboard Skew Sensor
Installation, TASK 27-59-01-400-802.
SUBTASK 27-59-02-210-002
(6) Before you connect the electrical connector [54], examine the connector for corrosion.
WARNING: DO THE STEPS BELOW IF THE AIRPLANE OPERATES AT AIRPORTS WHERE
DEICING FLUID THAT CONTAIN POTASSIUM FORMATE IS USED. ALSO DO THE
STEPS FOR ALL AIRPLANES THAT YOU FOUND CORROSION IN THE
ELECTRICAL CONNECTORS IN THE MAIN WHEEL WELL. THE ELECTRICAL
CONNECTOR IS PART OF A SYSTEM THAT IS NECESSARY FOR SAFE FLIGHT.
(a) If there was corrosion, refer to (SWPM 20-60-03) to correct the problem.
(b) Apply the D5026NS or ZC-026 compound, G50171 to the connector (SWPM 20-60-03).
SUBTASK 27-59-02-420-008
(7) Connect the electrical connector [54] to the flap skew sensor [53].
SUBTASK 27-59-02-860-009
(8) Remove the safety tags and close these circuit breakers:
F/O Electrical System Panel, P6-2
Row Col Number Name
A 11 C01443 FC TE FLAP POS/SKEW SNSR & IND RIGHT
A 12 C00213 FC TE FLAP POS/SKEW SNSR & IND LEFT
SUBTASK 27-59-02-440-002
(9) Do this task: Trailing Edge Flap System Reactivation, TASK 27-51-00-440-801.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-59-02
Page 212
Feb 10/2006
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
SUBTASK 27-59-02-860-010
(10) Retract the trailing edge flaps to the UP position. To retract the flaps, do this task: Retract the
Trailing Edge Flaps, TASK 27-51-00-860-804.
SUBTASK 27-59-02-730-002
(11) Do this task: Flap Skew Detection System Functional Test, TASK 27-59-00-730-801.
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737-600-700-800-900 飞机维护手册5 AIRCRAFT MAINTENANCE MANUA(138)
