737 Flight Crew Operations Manual
2.1
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-4Q8-SJA
2.1
Air SystemsFile HighlightCABIN ALTITUDE
1 Don oxygen masks and set regulators to 100%.
2 Establish crew communications.
PT804 - PT817
3 Pressurization mode selector . . . . . . . . . MAN AC
PM398 - PQ976, PT826 - PT832
4 Pressurization mode selector . . . . . . . . . . . . MAN
5 Outflow VALVE switch . . . . . . . . . . Hold in CLOSE
until the outflow VALVE
indication shows fully closed
6 If cabin altitude is uncontrollable:
Passenger signs . . . . . . . . . . . . . . . . . . . . ON
PASS OXYGEN switch . . . . . . . . . . . . . . . . ON
►►Go to the Emergency Descent checklist
on page 0.1
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Continued on next page
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CABIN ALTITUDE WARNING
or
Rapid Depressurization
CABIN ALTITUDE WARNING or Rapid Depressurization
CABIN
ALTITUDE
(As installed)
Condition:
One or more of these occur:
•A cabin altitude exceedance
•In flight, the intermittent cabin
altitude/configuration warning horn
sounds or the CABIN ALTITUDE light (as
installed) illuminates.
March 24, 2017
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