737 Flight Crew Operations Manual
Normal Procedures -
Amplified Procedures
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
NP.21.18 D6-27370-866-EGP
CABIN ALTITUDE light
(if installed and operative) ........................................Verify extinguished
Disengage light TEST switch.................................................... Hold to 1
Verify that the A/P light is illuminated steady amber.
Verify that the A/T light is illuminated steady amber.
Verify that the FMC light is illuminated steady amber.
Disengage light TEST switch.................................................... Hold to 2
Verify that the A/P light is illuminated steady red.
Verify that the A/T light is illuminated steady red.
Verify that the FMC light is illuminated steady amber.
Do the Initial Data and Navigation Data steps from the CDU Preflight
Procedure and verify that the IRS alignment is complete before checking
the flight instruments.
Flight instruments ..........................................................................Check
Verify that the flight instrument indications are correct.
Verify that only these flags are shown:
•TCAS OFF
• NO VSPD until V–speeds are selected
• expected RMI flags.
Verify that the flight mode annunciations are correct:
• autothrottle mode is blank
• roll mode is blank
• pitch mode is blank
• AFDS status is FD.
Select the map mode.
GROUND PROXIMITY panel ......................................................Check
FLAP INHIBIT switch – Guard closed
GEAR INHIBIT switch – Guard closed
TERRAIN INHIBIT switch – Guard closed
YK995 - YQ456
RUNWAY INHIBIT switch – Guard closed
Verify that the GROUND PROXIMITY INOP light is extinguished.
September 15, 2016
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