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A B737-800 flight crew declared and emergency and diverted when a cockpit window suffered inner pane cracks.
| Attributes | |
| ACN | 860874 |
| Time | |
| Date | 200911 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Cockpit Window |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | Pilot Not Flying First Officer |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
At FL390 a crack was discovered in the inner pane of the R5 window. The crack was vertical from top to bottom with four splintering cracks continuing from the main vertical crack. QRH procedure was accomplished which required the use of O2 and a descent to a habitable altitude; followed by landing at the nearest suitable airport. At the time of discovery; the aircraft location was about 90 southeast of an airport. An emergency was declared and the flight attendants were briefed. Dispatch concurred with the divert to that airport which was effected. Descent and landing went without further incident.
Original NASA ASRS Text
Title: A B737-800 Flight Crew declared and emergency and diverted when a cockpit window suffered inner pane cracks.
Narrative: At FL390 a crack was discovered in the inner pane of the R5 window. The crack was vertical from top to bottom with four splintering cracks continuing from the main vertical crack. QRH procedure was accomplished which required the use of O2 and a descent to a habitable altitude; followed by landing at the nearest suitable airport. At the time of discovery; the aircraft location was about 90 SE of an airport. An emergency was declared and the Flight Attendants were briefed. Dispatch concurred with the divert to that airport which was effected. Descent and landing went without further incident.
Data retrieved from NASA's ASRS site as of April 2012 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.