Boeing 737 - RAPID DEPRESSURIZATION

737 Operations Manual
Non-Normal Checklists -
Unannunciated
Copyright © The Boeing Company. See title page for details.
D6-27370-400E-TBCE NNC.0.21
Continued from previous page
FIRST OFFICER
FLAP LEVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
[Aids in evacuating passengers over the wing.]
STANDBY POWER SWITCH . . . . . . . . . . . . . . . . . . . . . .BAT
PRESSURIZATION MODE
SELECTOR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MAN DC
OUTFLOW VALVE SWITCH. . . . . . . . . . . . . . . . . . . . . OPEN
[Ensures the airplane is depressurized for opening exits.]
TOWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .NOTIFY
RAPID DEPRESSURIZATION
Condition: A rapid loss of cabin pressure with airplane altitude
above 14,000 feet MSL.
OXYGEN MASKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ON
CREW COMMUNICATIONS . . . . . . . . . . . . . . . . . . ESTABLISH
PRESSURIZATION MODE SELECTOR . . . . . . . . . . . . . . . MAN
OUTFLOW VALVE SWITCH . . . . . . . . . . . . . . . . . . . . . . CLOSE
If pressurization is restored, continue manual operation
to maintain proper cabin altitude.
PASSENGER SIGNS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ON
PASSENGER OXYGEN SWITCH (if required) . . . . . . . . . . .ON
Activate passenger oxygen if cabin altitude exceeds or is
expected to exceed 14,000 feet.
EMERGENCY DESCENT (if required). . . . . . . . . . . . . INITIATE
Accomplish the EMERGENCY DESCENT checklist if the
airplane is above 14,000 feet MSL and control of cabin
pressure is not possible, or cabin pressure is lost.
June 07, 2002