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SYSTEM A HYDRAULIC PUMP
switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
Cycle the speed brake lever until system A hydraulic
pressure is below 500 psi.
CAUTION: Do not repressurize hydraulic system A in
flight or on the ground and do not use
alternate nose wheel steering because the
landing gear may retract.
Note: Inoperative items:
• ground spoilers
• inboard flight spoilers
• autopilot A
• normal nose wheel steering
• alternate brakes
Note: Engine No. 1 thrust reverser has standby pressure.
Manual gear extension
handles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pull
Continue to cycle the speed brakes to relieve the
hydraulic pressure generated as the landing gear
extends.
Note: With the landing gear lever UP or OFF, the red gear
indicator lights will be illuminated.
If all landing gear are not down and locked:
Accomplish the PARTIAL OR GEAR UP LANDING
checklist.
Continued on next page
June 3, 2005
737 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.

14.10
14.10
Continued from previous page
If sufficient fuel is available: (continued)
If all landing gear are down and locked:
Plan for a flaps 15 landing.
Set VREF 15 + 10 knots.
[Provides tail clearance during landing since hydraulic system A
flight spoilers will be unlocked and may float.]
Recall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Checked
GROUND PROXIMITY FLAP/GEAR
INHIBIT switch (as installed) . . . . . FLAP/GEAR INHIBIT
GROUND PROXIMITY FLAP
INHIBIT switch (as installed) . . . . . . . . . . .FLAP INHIBIT
GROUND PROXIMITY GEAR
INHIBIT switch (as installed) . . . . . . . . . . GEAR INHIBIT
GROUND PROXIMITY WARN C/B (P18)
(airplanes with FLAP INHIBIT switch only) . . . . . .PULL
Autobrake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ___
Landing data . . . . . . . . VREF + 10 knots, Minimums ___
Approach briefing. . . . . . . . . . . . . . . . . . . . . . Completed
----------------------------DEFERRED ITEMS ------------------------------
==> APPROACH
Altimeters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ___
----------------------------DEFERRED ITEMS ------------------------------
==> LANDING
ENGINE START switches . . . . . . . . . . . . . . . . . . . . . . . . CONT
Speedbrake. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ARMED
Landing gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DOWN
Flaps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15, green light
June 3, 2005
737 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
 14.11
14.11
Intentionally
Blank
June 3, 2005
737 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.

14.12
14.12
Condition: All landing gear do not indicate down and locked
when the landing gear lever is placed in the DOWN
position or the landing gear lever is jammed in the
OFF position.
LANDING GEAR LEVER . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
MANUAL GEAR EXTENSION HANDLES . . . . . . . . . . . . .PULL
[The uplock is released when the handle is pulled to its limit. The related
red landing gear indicator light illuminates, indicating uplock release.]
Wait 15 seconds after the last MANUAL GEAR EXTENSION
HANDLE is pulled:
LANDING GEAR LEVER . . . . . . . . . . . . . . DOWN (if possible)
[Red landing gear indicator lights remain illuminated if landing gear lever
is not down.]
If all landing gear indicate down and locked:
Land normally.
Continued on next page
MANUAL GEAR EXTENSION
June 3, 2005
737 Flight Crew Operations Manual
Copyright © The Boeing Company. See title page for details.
 14.13
14.13
Continued from previous page
If a green landing gear indicator light still fails to illuminate:
WHEEL WELL LIGHT SWITCH . . . . . . . . . . . . . . . . . . . . .ON
GEAR DOWN LOCK VISUAL
INDICATOR(S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CHECK
[Verify main landing gear mechanical down lock indicators are aligned
and nose landing gear arrow heads are in contact.]
If the gear down lock visual indicator(s) verify gear down
and locked:
Land normally.
If one or two landing gear are not down and locked:
Accomplish the PARTIAL OR GEAR UP LANDING
　
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