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.21.26 D6-27370-866-EGP
As part of the takeoff briefing for the first flight of the day and
following a change of either flight crew member, cabin altitude
warning indications and memory item procedures must be briefed on
airplanes in which the CABIN ALTITUDE and TAKEOFF CONFIG
lights are not installed, or are installed but not activated. The briefing
must contain the following information:
Whenever the intermittent warning horn sounds in flight at an
airplane flight altitude above 10,000 feet MSL:
1. Immediately, don oxygen masks and set regulators to 100%.
2. Establish crew communications.
3. Do the CABIN ALTITUDE WARNING or Rapid
Depressurization non-normal checklist.
Both pilots must verify on the overhead Cabin Altitude Panel that
the cabin altitude is stabilized at or below 10,000 feet before
removing oxygen masks.
Exterior doors .................................................. Verify closed F/O
Flight deck windows ...............................Closed and locked C, F/O
Start clearance ............................................................Obtain C, F/O
Obtain a clearance to pressurize the hydraulic systems.
Obtain a clearance to start the engines.
If pushback is needed:
Verify that the nose gear steering lockout pin is installed, or,
if the nose gear steering lockout pin is not used,
depressurize hydraulic system A during the hydraulic panel
set step C, F/O
Fuel panel ........................................................................ Set F/O
If the center tank fuel quantity exceeds 460 kilograms:
LEFT and RIGHT CENTER FUEL PUMPS switches – ON
Verify that the LOW PRESSURE lights illuminate
momentarily and then extinguish.
If the LOW PRESSURE light stays illuminated turn off the
CENTER FUEL PUMPS switch.
AFT and FORWARD FUEL PUMPS switches – ON
Verify that the LOW PRESSURE lights are extinguished.
Hydraulic panel ............................................................... Set F/O
September 15, 2016
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