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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 FLIGHT AND GROUND CREW CALL SYSTEM - ADJUSTMENT/TEST
____________________________________________________
 1.  General_______
 A.  This procedure has one task. The task is to do a test of the flight and ground crew call system.
 TASK 23-43-00-735-005
 2.  Flight and Ground Crew Call System Test_______________________________________
 A.  References
 (1)  24-22-00/201, Manual Control
 B.  Access
 (1)  Location Zone
 107/108 Cabin

 C.  Procedure
 S 865-001
 (1)  
Supply electrical power (AMM 24-22-00/201).

 S 865-002

 (2)  
Make sure these circuit breakers are closed:

 (a)  
P18 Load Control Center - Left
 1) PASS & CREW CALL

 or PASS & CREW CALL/LAV SMK DET (on airplanes with lavatory smoke detectors installed)

 (b)  
P6 Load Control Center - Right
 1) AURAL WARN
 2) PASS ADDRESS AMPL BAT
 3) CREW CALL HORN

 S 735-003
 (3)  Do a test from the flight crew to ground crew call:
 (a)  
Push the GRD CALL switch on the pilot's overhead panel (P5). 1) Make sure you hear the horn.

 (b)  
Release the GRD CALL switch.
 1) Make sure the horn stops.

 S 735-006
 (4)  Do a test from ground crew to flight crew call:
 (a)  
Push the PILOT CALL switch on the external power panel (P19). 1) Make sure the CALL light on the pilots' overhead panel (P5) comes on.

 2)  Make sure you hear a hi-tone chime from the aural warning speakers.

 (b)  
Release the PILOT CALL switch. 1) Make sure the CALL light goes off.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 715-007
 (5)  Do a test from attendant to flight crew call:
 (a)  
Push the CAPTAIN call switch on the forward attendants' panel. 1) Make sure the CALL light on the pilots' overhead panel (P5) comes on.

 2)  Make sure you hear a hi-tone chime from the aural warning speakers.

 (b)  
Release the CAPTAIN call switch.
 1) Make sure the CALL light goes off.

 (c)  
Do this procedure again from the aft attendant's panel.

 S 715-008
 (6)  Do a test from flight crew to attendant call:
 (a)  
Push the ATTEND call switch on the pilots' overhead panel (P5). 1) Make sure the forward and the aft (pink) attendant call lights come on.

 2)  Make sure you hear the hi-lo chime sound from the PA speakers.

 (b)  
Release the ATTEND call switch.
 1) Make sure the attendant call lights stay on.

 (c)  
Push the RESET switch on one of the attendants' panels. 1) Make sure the attendants' call lights go off.

 S 715-009
 (7)  
Do a test from attendant to attendant call:

 (a)  
Push the ATTENDANT call switch on the forward attendants' panel. 1) Make sure the forward and the aft pink attendant call

 lights come on. 2) Make sure you hear a hi-lo chime sound from the PA speakers.

 (b)  
Release the ATTENDANT call switch.
 1) Make sure the attendant call lights stay on.

 (c)  
Push the RESET switch on one of the attendants' panels. 1) Make sure the attendant call lights go off.

 (d)  
Do this procedure again from the aft attendants' panel.

 (8)  
Remove electrical power if it is not necessary (AMM 24-22-00/201).

 S 865-004
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