1.10
1.10
Intentionally
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June 3, 2005
737 Flight Crew Operations Manual
Non-Normal Checklists Chapter NNC
Air Systems Section 2
Copyright © The Boeing Company. See title page for details.
TOC.2.1
Table of Contents
NNAC.I2R N oCn-ONoNrmDalI TChIeOckNlisItNs-AGir SSyMsteOmKs E/FUMES . . . . . . . . . . . . . . . . . . . . 2.1
AUTO FAIL/UNSCHEDULED PRESSURIZATION
CHANGE - DCPCS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2
AUTO FAIL/UNSCHEDULED PRESSURIZATION
CHANGE - CPCS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3
BLEED TRIP OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.4
CABIN ALTITUDE WARNING OR
RAPID DEPRESSURIZATION . . . . . . . . . . . . . . . . . . . . . . . . 2.5
DUAL BLEED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.6
DUCT OVERHEAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.6
EMERGENCY DESCENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7
EQUIPMENT COOLING OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.8
OFF SCHEDULE DESCENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.8
PACK TRIP OFF - DCPCS AIRPLANES . . . . . . . . . . . . . . . . . . . 2.10
PACK TRIP OFF - CPCS AIRPLANES . . . . . . . . . . . . . . . . . . . . 2.12
WING-BODY OVERHEAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.14
June 3, 2005
737 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
TOC.2.2
Non-Normal Checklists -
Air Systems
Intentionally
Blank
June 3, 2005
737 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
2.1
2.1
NNC.2 Non-Normal Checklists-Air Systems
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 . . . . . . . . . . . . . . . . . . . . .OFF
[Eliminates possible source of smoke/fumes.]
If smoke/fumes stop:
Continue flight with the recirculation fan switch 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.
Continued on next page
AIR CONDITIONING SMOKE/FUMES
June 3, 2005
737 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
2.2
2.2
Continued from previous page
Accomplish the SMOKE/FUMES REMOVAL checklist, if
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