Landing Gear N.N.C / 737
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Landing Gear N.N.C / 737
I have a question regarding the Gear lever will not move up after takeoff N.N.C., speaking of 737 "classics".
What is the reason to (the effects of) item:
LANDING GEAR AIR/GND RELAY AND LIGHTS C/B (P6) . . . . . . PULL?
I felt like it is there to disable the logic and enable gear retraction (see the sequence in deferred landing items) but the C/L does not call for that. Ok, what are the other benefits then?
Any of you have the knowledge or acces to the "old" commented checklist, pretty please?
Thanks,
FD.
What is the reason to (the effects of) item:
LANDING GEAR AIR/GND RELAY AND LIGHTS C/B (P6) . . . . . . PULL?
I felt like it is there to disable the logic and enable gear retraction (see the sequence in deferred landing items) but the C/L does not call for that. Ok, what are the other benefits then?
Any of you have the knowledge or acces to the "old" commented checklist, pretty please?
Thanks,
FD.
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My C/L says:
Condition: the gear lever cannot be placed in the UP position due to one or more of the following:
failure of the landing gear lever lock solenoid
failure of the air/ground system
LANDING GEAR LEVER ...............DOWN
If the T/O config warning remans silent after the flaps are fully retracted and the thrust levers are beyond the vertical position:
Note: this condition indicates a failure of the landing gear lever lock solenoid.
LANDING GEAR OVERRIDE TRIGGER........PULL
LANDING GEAR LEVER.......UP & OFF
If the takeoff config warning remains silent after the flaps are fully retracted and the thrust levers are beyond the vertical position:
NOTE: this condition indicates a failure of the the Air/Ground system
LANDING GEAR AIR/GND RELAY AND LIGHTS C/B............PULL
Plan to land at nearest suitable airport.
The deferred items for Descent/Approach and Landing only apply in the second case.
In the case you ask about the gear lever will stay in the down position. Pulling the C/B is presumably done to disable a system that is not working properly anyway. It is temporarily reset during the landing checks to observe the three greens, and pulled again straight afterwards.
Condition: the gear lever cannot be placed in the UP position due to one or more of the following:
failure of the landing gear lever lock solenoid
failure of the air/ground system
LANDING GEAR LEVER ...............DOWN
If the T/O config warning remans silent after the flaps are fully retracted and the thrust levers are beyond the vertical position:
Note: this condition indicates a failure of the landing gear lever lock solenoid.
LANDING GEAR OVERRIDE TRIGGER........PULL
LANDING GEAR LEVER.......UP & OFF
If the takeoff config warning remains silent after the flaps are fully retracted and the thrust levers are beyond the vertical position:
NOTE: this condition indicates a failure of the the Air/Ground system
LANDING GEAR AIR/GND RELAY AND LIGHTS C/B............PULL
Plan to land at nearest suitable airport.
The deferred items for Descent/Approach and Landing only apply in the second case.
In the case you ask about the gear lever will stay in the down position. Pulling the C/B is presumably done to disable a system that is not working properly anyway. It is temporarily reset during the landing checks to observe the three greens, and pulled again straight afterwards.
