A.
Crew must perform a complete landing gear recycle program, i.e. choose the landing gear lever to the UP position, then wait 60 seconds, and then select the landing gear lever to the DOWN position.
B.
Before executing the L/G GRAVITY EXTENSION procedure, complete execution of landing gear recycle program must be done 5 times if needed.
C.
If failed after 5 cycles, need to wait for 120s before executing L/G GRAVITY EXTENSION procedure.
D.
Before the next attempt to start landing gear cycle process, crew must wait for 60s after landing gear lever in DOWN position.