737 Flight Crew Operations Manual
2.17
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-4Q8-SJA
2.17
PACK TRIP O FF
1Temperature
selector (affected side) . . . . . . . . . Select warmer
temperature
This reduces the workload on the affected air
conditioning pack.
2 TRIP RESET switch . . . . . . . . . . . . . . . . . . .Push
The PACK TRIP OFF light extinguishes if the pack
temperature has cooled below limits.
3 Choose one:
▼
Continued on next page
▼
PACK
TRIP OFF
PACK TRIP OFF
Condition:
A pack overheat occurs.
Both PACK TRIP OFF lights are extinguished:
Continue normal operation.
■ ■ ■ ■
A single PACK TRIP OFF light stays
illuminated:
Continue normal operation.
■ ■ ■ ■
Both PACK TRIP OFF lights stay illuminated:
Note: Both pack valves may have closed
resulting in a gradual loss of cabin
pressure and an eventual CABIN
ALTITUDE warning.
►►Go to step 4
March 24, 2017
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