Accident Boeing 757-251 N504US, Tuesday 22 July 2003

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Date:	Tuesday 22 July 2003
Time:	14:00 LT
Type:	Boeing 757-251
Owner/operator:	Northwest Airlines
Registration:	N504US
MSN:	23193/60
Year of manufacture:	1985
Engine model:	Pratt & Whitney PW2037
Fatalities:	Fatalities: 0 / Occupants: 113
Other fatalities:	0
Aircraft damage:	None
Category:	Accident
Location:	Wadsworth, OH - United States of America
Phase:	En route
Nature:	Passenger - Scheduled
Departure airport:	Detroit-Metropolitan Wayne County Airport, MI (DTW/KDTW)
Destination airport:	Baltimore/Washington International Thurgood Marshall Airport, MD (BWI/KBWI)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
While climbing through 29,000 feet, the airplane encountered unreported clear air turbulence. One flight attendant suffered a head injury and was admitted to a hospital for a period of more than 48 hours.

Probable Cause: An in-flight encounter with turbulence.

Accident investigation: