B737 Undifferentiated or Other Model
Deviation - Altitude Excursion From Assigned Altitude; Inflight Event / Encounter Loss Of Aircraft Control; Inflight Event / Encounter Weather / Turbulence
Flight Crew Regained Aircraft Control; Flight Crew Returned To Clearance
Weather
Departed holding at FAK at Bingo fuel to divert to alternate. A few minutes out of FAK with seat belt sign on at 39;000 FT encountered severe turbulence; aircraft lost 2;000 FT; stick shaker warning; [and] bank angle warning. Pilot flying took control turned autopilot off and climbed back to 39;000 FT. We asked flight attendants to check for injuries and they reported back there were no injuries. We made a report to ATC there were no injuries. Captain made a log book entry for severe turbulence.
B737 First Officer reported a severe turbulence encounter at FL390 in the area of FAK that resulted in altitude loss and enough roll to trigger the bank angle alert.