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A B777's right fwd windshield arced and smoked. A quarter size burn resulted. Checklist completed. Flight proceeded to altitude airport because of ice at destination.
| Attributes | |
| ACN | 765270 |
| Time | |
| Date | 200712 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | msl single value : 33000 |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Controlling Facilities | artcc : zzz.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B777-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Route In Use | enroute airway : zzz.airway |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Experience | flight time last 90 days : 170 flight time total : 23000 flight time type : 1500 |
| ASRS Report | 765270 |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : diverted to alternate flight crew : took precautionary avoidance action |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft Weather |
| Primary Problem | Aircraft |
Narrative:
Right forward windshield arced with moderate smoke and noise. Turned off associated window heat. Accomplished window arcing checklist; forward outflow override checklist and cockpit smoke and fume elimination checklist. Oxygen masks donned etc. Window showed small burn spot about the size of a quarter. Wiring melted through. WX in ZZZ was -fz rain and forecast was for major winter storm for remainder of day. Contacted dispatch; maintenance and duty manager. Note: satcom was unreadable until fleet tech center was removed from loop; then communication was clear. Agreed to continue to destination with VFR ZZZ2 as alternate. Approach and landing normal.
Original NASA ASRS Text
Title: A B777'S R FWD WINDSHIELD ARCED AND SMOKED. A QUARTER SIZE BURN RESULTED. CHECKLIST COMPLETED. FLT PROCEEDED TO ALT ARPT BECAUSE OF ICE AT DEST.
Narrative: R FORWARD WINDSHIELD ARCED WITH MODERATE SMOKE AND NOISE. TURNED OFF ASSOCIATED WINDOW HEAT. ACCOMPLISHED WINDOW ARCING CHKLIST; FORWARD OUTFLOW OVERRIDE CHKLIST AND COCKPIT SMOKE AND FUME ELIMINATION CHKLIST. OXYGEN MASKS DONNED ETC. WINDOW SHOWED SMALL BURN SPOT ABOUT THE SIZE OF A QUARTER. WIRING MELTED THROUGH. WX IN ZZZ WAS -FZ RAIN AND FORECAST WAS FOR MAJOR WINTER STORM FOR REMAINDER OF DAY. CONTACTED DISPATCH; MAINT AND DUTY MGR. NOTE: SATCOM WAS UNREADABLE UNTIL FLEET TECH CTR WAS REMOVED FROM LOOP; THEN COM WAS CLR. AGREED TO CONTINUE TO DEST WITH VFR ZZZ2 AS ALTERNATE. APCH AND LNDG NORMAL.
Data retrieved from NASA's ASRS site as of January 2009 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.