NTSB Identification: FTW96IA235.
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Incident occurred Monday, June 03, 1996 in CHILDRESS, TX
Probable Cause Approval Date: 12/16/1996
Aircraft: McDonnell Douglas MD-82, registration: N493AA
Injuries: 9 Minor,59 Uninjured.

NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.

American Airlines Flight 722 originated from El Paso, Texas, and was en route to Chicago, Illinois. The aircraft was about 30 miles north of Childress, Texas, at FL330 when it encountered severe turbulence for approximately 5 seconds. The First Officer was flying the aircraft in IMC, and no cells were being painted on the aircraft's radar in the immediate area. The nearest cell being painted was approximately 20 miles right of track. The flight attendants were providing service to the passengers, the seat belt light was illuminated, and all passengers were seated. Convective sigmets 99C, 01C, and 02C were in effect for New Mexico, Texas, Oklahoma, and Kansas. The flight crew advised ATC and diverted to Oklahoma City, Oklahoma. Two flight attendants and seven passengers were taken to a local hospital, and were treated and released. An inspection of the aircraft revealed no damage, and it was released for flight.

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

The aircraft's encounter with unforcasted and unreported severe turbulence.

Full narrative available

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