737 Flight Crew Operations Manual
1.28
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D6-27370-4Q8-SJA
1.28
24 When the cabin altitude is at or below 10,000 feet:
Oxygen masks may be removed.
25 Shoulder harnesses may be removed.
■ ■ ■ ■
▼Window Damage - Unheated Side (L3, R3) continued▼
Use momentary actuation of the outflow valve
switch to avoid large and rapid pressurization
changes.
23
Outflow VALVE switch. . . . . Move to OPEN until
the outflow VALVE
indication shows fully open
to depressurize the airplane
Note: The intermittent cabin altitude/configuration
warning horn will sound and the CABIN
ALTITUDE light (as installed) will illuminate at
a cabin altitude of approximately 10,000
feet.
March 24, 2017
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