NORMAL EXTENSION AND RETRACTION

32-31-00-710-013-A [10]
Operational Check of the Safety Valve that uses the APU
32-31-00-710-013-A-01 [10]
Operational Check of the Safety Valve that uses the Aircraft Batteries
32-31-00-710-013-A-02 [10]
Operational Check of the Safety Valve that uses the GND PWR Contactor Override Box