B737-300
Flight Crew Last 90 Days 179
Aircraft Equipment Problem Critical
General Maintenance Action
Aircraft
Cabin Altitude Warning horn sounded at 37;000 FT. We performed the memory items; ran the appropriate checklists; and performed an emergency descent to 12;000 FT.
A B737-300 First Officer describes an emergency descent when the cabin altitude warning horn sounds at 37;000 FT.