(2)
The failure readout can include up to 24 failures that occurred during the last ten flight segments.
(3)
Each flight history sequence starts with a full segment, eight position, LED test pattern and stops with the display, END TEST.
(4)
If no failures are kept in memory, the display reads PREVIOUS, TEN, FLIGHTS, OK.
(5)
If failures have been found, the display shows the applicable failure codes (Fig. 101) in the related flight segment.
NOTE: To stop a flight history readout, the STATUS/HISTORY switch
____ must be held in the PRESENT STATUS position until CANCEL shows. Release the switch and END TEST will show which stops the flight history readout.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SUNDSTRAND MK V GPWC ú
34-42-01
ú ú 11 Page 105 ú Nov 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
GROUND PROXIMITY WARNING SYSTEM - ADJUSTMENT/TEST
_________________________________________________
1. General_______
A. There are two tasks in this procedure; one is an operational test and the other a system test. The operational test is self-contained and uses on-board equipment. The system test is a complete check of the GPWS, requiring additional equipment and successful completion of the operational test.
TASK 34-42-01-735-015
2. Ground Proximity Warning System - Operational Test__________________________________________________
A. References
(1)
24-22-00/201, Electrical Power - Control
(2)
34-28-01/201, Inertial Reference System
B. Access
(1) Location Zones
101/102 Flight Compartment
C. Prepare for the Test
S 865-004
(1)
Supply electrical power (Ref 24-22-00/201).
S 865-115
(2)
Make sure the IRS No. 1 is in the NAV mode (AMM 34-28-01/201).
S 755-013
(3)
Make sure the captain's and the first officer's PULL-UP lights are off.
S 755-014
(4)
Make sure the captain's and the first officer's BELOW G/S lights are off.
(5)
Make sure the GPWS INOP light is off.
S 865-033
(6)
AIRPLANES WITH A SINGLE FLAP/GEAR INHIBIT SWITCH; Make sure the FLAP/GEAR INHIBIT switch is in the NORMAL position.
S 865-034
(7)
AIRPLANES WITH SEPARATE FLAP AND GEAR INHIBIT SWITCHES; Make sure the FLAP INHIBIT and GEAR INHIBIT switches are in the NORMAL position.
S 755-125
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
AIRPLANES WITH -201 THRU -203, ú 34-42-01
-205 OR -206 GPWC ú ú 12 Page 501 ú Jul 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
D. GPWC Self-Test
S 865-028
(1) Push the GPWS INOP light on the first officer's instrument panel.
(a) Make sure the INOP light comes on.
S 865-029
(2)
Release the GPWS INOP light.
S 745-048
(3)
Push and hold the SYS TEST switch on the GPWS panel for 10 seconds.
(a)
Make sure the INOP light comes on.
(b)
Make sure the aural and visual indications occur as follows:
AURAL_____ WARNING LIGHTS______________ EADI
"Glide Slope" BELOW G/S (amber)
"Whoop Whoop Pull Up" PULL UP (red)
Two Tone Siren WINDSHEAR (red)
"Wind Shear" WINDSHEAR (red)
"Wind Shear" WINDSHEAR (red)
"Wind Shear" WINDSHEAR (red)
"Sink Rate"
"Whoop Whoop Pull Up"
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