Výcuc z Operating Manual B737-300/-500, kapitola 2 Non-Normals, Air Systems, Cabin Altitude Warning or Rapid Decompression / Emergency Descent:
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IF Cabin Altitude Is At Or Above 14,000 Feet:
Determine Structural Integrity.
Note: It may be difficult, or impossible, to accurately determine the
structural condition of the aircraft. If structural integrity is
unknown or confirmed to be compromised (i.e. cargo door
light, explosion, cabin door/window failure), serious
consideration should be given to an emergency descent
profile which would not increase the stress on the aircraft.
Such a descent would be at or below the existing airspeed.
Use of speed brakes would be at the discretion of the Captain.
Use of LVL CHG would allow control of A/S during descent.
Engage MACH/SPEED CHANGEOVER button to SPEED.
Note: High speed descent profile assumes structural integrity and
smooth air. Do not assume structural integrity unless it can
be positively assured from the flight deck. The cabin crew
will be advised on the PA system of impending rapid descent.
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