A B737 experiences a cracked windshield at FL350.

Attributes
ACN	570003
Time
Date	200301
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : clt.airport
State Reference	NC
Altitude	msl single value : 350
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : ztl.artcc tower : cyul.tower
Operator	common carrier : air carrier
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : cfi pilot : atp
Experience	flight time last 90 days : 150 flight time total : 12000 flight time type : 8500
ASRS Report	570003
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : diverted to alternate flight crew : declared emergency flight crew : landed in emergency condition
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

During cruise at FL350, first officer's forward windscreen began rapidly cracking all the way across. We could not determine if 1 or both panes were cracking, so we declared an emergency and diverted to clt without incident.

Original NASA ASRS Text

Title: A B737 EXPERIENCES A CRACKED WINDSHIELD AT FL350.

Narrative: DURING CRUISE AT FL350, FO'S FORWARD WINDSCREEN BEGAN RAPIDLY CRACKING ALL THE WAY ACROSS. WE COULD NOT DETERMINE IF 1 OR BOTH PANES WERE CRACKING, SO WE DECLARED AN EMER AND DIVERTED TO CLT WITHOUT INCIDENT.

Data retrieved from NASA's ASRS site as of July 2007 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.