Boeing 737 - NNC.8 Non-Normal Checklists-Fire Protection; AIR CONDITIONING SMOKE;FUMES

737 Operations Manual
Non-Normal Checklists -
Fire Protection
Copyright © The Boeing Company. See title page for details.
D6-27370-400E-TBCE NNC.8.1
NNC.8 Non-Normal Checklists-Fire Protection
AIR CONDITIONING SMOKE/FUMES
Condition: A concentration of air conditioning smoke/fumes is
identified.
OXYGEN MASKS AND SMOKE GOGGLES
(if required) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ON
CREW COMMUNICATIONS
(if required) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ESTABLISH
RECIRCULATION FAN SWITCH(ES) . . . . . . . . . . . . . . . . . .OFF
[Eliminates possible source of smoke/fumes.]
If smoke/fumes stop:
Continue flight with the recirculation fan switch(es) OFF.
If smoke/fumes continue:
ISOLATION VALVE SWITCH . . . . . . . . . . . . . . . . . . . CLOSE
R PACK SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
If smoke/fumes stop:
Continue flight with the R PACK switch OFF and
ISOLATION VALVE switch CLOSE.
If smoke/fumes continue:
R PACK SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . AUTO
L PACK SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
If smoke/fumes stop:
Continue flight with the L PACK switch OFF and
ISOLATION VALVE switch CLOSE.
If smoke/fumes continue:
L PACK SWITCH. . . . . . . . . . . . . . . . . . . . . . . . . AUTO
Plan to land at nearest suitable airport.
Accomplish the SMOKE/FUMES REMOVAL checklist, if
required.
June 08, 2001