737 Flight Crew Operations Manual
6.14
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D6-27370-4Q8-SJA
6.14
23 Choose one:
Maintain straight and level, constant airspeed
flight until attitude displays recover
(approximately 30 seconds).
The primary attitude displays stay failed and the
SET IRS HDG prompt on the POS INIT page is
blank until the attitude mode alignment is
complete.
▼
Continued on next page
▼
▼LOSS OF BOTH ENGINE DRIVEN GENERATORS continued▼
A single BUS OFF light is illuminated:
Plan to land at the nearest suitable airport.
Only one main AC power source remains.
■ ■ ■ ■
Both BUS OFF lights are extinguished:
■ ■ ■ ■
Both BUS OFF lights are illuminated:
The left IRS operates as long as battery
power remains.
Plan to land at the nearest suitable airport.
■ ■ ■ ■
Action is irreversible. Do this step only if both
the captain’s and first officer’s primary
attitude displays are failed.
24
IRS MODE selectors (both). . . . . . . . . . . . ATT
December 15, 2017
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