B737 first officer reported a severe turbulence encounter at FL390 in the area of fak that resulted ...

Attributes
ACN	1103762
Time
Date	201307
Place
Locale Reference	ZDC.ARTCC
State Reference	VA
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Cruise
Flight Plan	IFR
Person 1
Function	First Officer Pilot Not Flying
Events
Anomaly	Deviation - Altitude Excursion From Assigned Altitude Inflight Event / Encounter Loss Of Aircraft Control Inflight Event / Encounter Weather / Turbulence

Narrative:

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.

Original NASA ASRS Text

Title: 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.

Narrative: 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.

Data retrieved from NASA's ASRS site as of July 2013 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.

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.