Boeing 737 - START VALVE OPEN

737 Flight Crew Operations Manual
7.36
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D6-27370-4Q8-SJA
7.36
START VALVE OPEN
1 ENGINE START switch . . . . . . . . . . . . . . . . . OFF
2 Choose one:
3ISOLATION VALVE switch. . . . . . . . . . . . . CLOSE
4 PACK switch (affected side) . . . . . . . . . . . . . OFF
This causes the operating pack to regulate to
high flow in flight with flaps up.
5 Engine BLEED air switch
(affected side) . . . . . . . . . . . . . . . . . . . . . . OFF
▼ Continued on next page ▼
START VALVE
OPEN
START VALVE OPEN
Condition:
The start valve fails to close.
START VALVE OPEN light extinguishes:
■ ■ ■ ■
START VALVE OPEN light stays illuminated:
►►Go to step 3
June 15, 2019