Cabin Alt Warning (B737NG)
FO - Dons O2 mask verifies regulator @ 100%
Establishes comms with PF (Capt)
Cancels cabin alt warning horn (hopefully)
Sets Pressurisation Mode Selector to manual
Closes outflow valve
If cabin altitude is approaching or exceeding 14000' advises PF
Emergency Descent
FO- Pax signs on
Pax O2 verified on / guard opened and switch on
Engines start switch to CON
Sets 7700 in TXR and selects TA Only
Calls ATC - Mayday, Emergency descent, current heading requesting MSA
regional pressure setting
Reads related checklists
Monitors for descent into icing conditions
Calls passing each 10,000'
Calls two to go and one to go to level off
Monitors Captains actions and calls out omissions
A
load. All to be done in this order by memory.