Cabin Altitude Indicator (as installed)............................................................................Set at -200
Ground Proximity Terrain Inhibit Switch .................................................... TERR INHIBIT
Copyright . The Boeing Company. See title page for details.
SP.10.2 December 3, 2004
737 Operations Manual
Navigation/General
Transponder Test (Airplanes with transponder test mode)
Transponder switch ......................................................................... TEST On airplanes with a Reply light, check that the light illuminates.
This test simulates a ground interrogation signal; light illumination
indicates proper system functioning.
On airplanes with a Fail light, check illuminated.
Check that all code segments illuminate. Verify that no error codes
exist.
On airplanes with TCAS, verify “TCAS SYSTEM TEST - OK”
aural sounds.
Aural Alerts Definition
“TCAS SYSTEM TEST FAIL” Test failed. Maintenance required.
“TCAS SYSTEM TEST OK” Test complete. System operable.
Weather Radar Test
EHSI mode selector ........................Expanded scale mode except PLAN
TEST ...................................................................................................ON
WXR (EHSI control panel) ................................................................ON
Verify test pattern consists of the following colors:
-Green
- Yellow
-Red
-Magenta.
Verify no fault messages are present.
IRS Align Light(s) Flashing
Do not move IRS Mode selector to OFF except where called for in procedure.
Supplementary Procedures -Flight Management, Navigation 737 Operations Manual
If CDU message “IRS MOTION” appears in the scratchpad: Airplane ................................................................... STOP MOTION IRS ...............................................................................................OFF Rotate IRS Mode Selector to OFF and verify Align light extinguished. Note: Light must be extinguished before continuing with procedure (approximately 30 seconds.)
IRS ..............................................................................................NAV Rotate IRS Mode Selector to NAV and verify ALIGN light illuminated.
Set IRS position ............................................... Enter present position Enter present position using most accurate latitude and longitude available. Note: Approximately ten minutes are required for alignment.
If CDU message “IRS MOTION” does not appear in the scratchpad: POS INIT page.......................................................................... Select Set IRS position ............................................... Enter present position Enter present position using the most accurate latitude and longitude available. If the present position is being entered via the CDU and a position is already displayed on the SET IRS POS line, enter new position over displayed position. If ALIGN light continues to flash: Set IRS position .......................................... Enter present position Re-enter same present position. If ALIGN light continues to flash after re-entry: IRS ..........................................................................................OFF
Rotate IRS Mode Selector to OFF and verify ALIGN light extinguished. Note: Light must be extinguished before continuing with
procedure (approximately 30 seconds.)
Copyright . The Boeing Company. See title page for details.
SP.11.2 June 4, 2004
Supplementary Procedures -Flight Management, Navigation 737 Operations Manual
IRS .........................................................................................NAV Rotate IRS Mode Selector to NAV and verify ALIGN light illuminated. Set IRS position .................................................................... Enter Enter present position. If ALIGN light flashes, re-enter same present position over displayed position. Note: Approximately ten minutes are required for alignment. If ALIGN light continues to flash, maintenance action is required.
Fast Realignment
Prior to commencing this procedure the airplane must be parked and not moved until the procedure is completed and the ALIGN lights extinguished.
FMC/CDU POS INIT page ............................................................Select Enter the correct present position (PPOS) into the scratch pad. Use the most accurate PPOS available.
IRS mode selector........................................................................ ALIGN Observe ALIGN light illuminates steadily.
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