CONTROL CABIN WINDOW ANTI-ICING SYSTEM - REPAIRS
1. General
A. This procedure connects the spare window temperature sensor.
B. The captain’s and first officer’s No. 1 and No. 2 windows are electrically heated. Each window has a
control (primary) and a spare temperature sensor.
C. This procedure gives the steps necessary to disconnect the bad control (primary) temperature
sensor and connect the spare temperature sensor. If none of the temperature sensors operate, you
must replace the window.
TASK 30-41-00-420-801
2. Control Cabin Window Temperature Sensor - Repairs
(Figure 801)
A. References
Reference Title
56-12-11-000-801 No. 2 Openable Window Removal (P/B 401)
56-12-11-400-801 No. 2 Openable Window Installation (P/B 401)
B. Consumable Materials
Reference Description Specification
D50244 Compound - Dow Corning 340 Heat Sink
Compound
G01659 Swab - Cotton Or Rayon, (Disposable)
C. Location Zones
Zone Area
211 Flight Compartment - Left
212 Flight Compartment - Right
D. Access Panels
Number Name/Location
117A Electronic Equipment Access Door
E. Prepare for the Repairs
SUBTASK 30-41-00-000-001
(1) Open these circuit breakers and install safety tags:
CAPT Electrical System Panel, P18-3
Row Col Number Name
D 2 C00225 WINDOW HEAT CONTROL LEFT SIDE AC
E 2 C00227 WINDOW HEAT CONTROL RIGHT SIDE AC
F/O Electrical System Panel, P6-11
Row Col Number Name
B 8 C00393 WINDOW HEAT POWER RIGHT SIDE
F/O Electrical System Panel, P6-12
Row Col Number Name
B 9 C00392 WINDOW HEAT POWER LEFT SIDE
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-41-00
Page 801
D633A101-ILF Oct 15/2018
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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