Boeing 737 - LOSS OF BOTH ENGINE DRIVEN GENERATORS

737 Flight Crew Operations Manual
6.8
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D6-27370-4Q8-SJA
6.8
BUS OFF (both)TRANSFER BUS OFF, BUS OFF and GEN OFF (both sides)BUS OFF, TRANSFER BUS OFF and GEN OFF BUS (both sides)GEN OFF BUS, BUS OFF and TRANSFER BUS OFF (both sides)
1 BUS TRANSFER switch . . . . . . . . . . . . . . . . OFF
2 ELEC HYD PUMPS switches (both). . . . . . . . . OFF
3 GEN 2 switch . . . . . . . . . . . . . . . . . . . . . . . .ON
4 GEN 1 switch . . . . . . . . . . . . . . . . . . . . . . . .ON
5 Choose one:
▼ Continued on next page ▼
LOSS OF BOTH ENGINE DRIVEN
GENERATORS
GEN 1 & 2 GEN 1 & 2 GEN 1 & 2
TRANSFER
BUS OFF
BUS
OFF
GEN OFF
BUS
Condition:
Both engine driven generators are off.
Note: At high altitude, thrust deterioration or
engine flameout can occur.
A single BUS OFF light stays illuminated:
►►Go to step 6
Both BUS OFF lights stay illuminated:
►►Go to step 10
Both BUS OFF lights extinguish:
BUS TRANSFER switch . . . . . . . . . . AUTO
ELEC HYD PUMP
switches (both) . . . . . . ON, one at a time
YAW DAMPER switch . . . . . . . . . . . . .ON
►►Go to step 22
December 15, 2017