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A B350 cockpit windshield heat terminal strip became faulty causing a pungent smoke; so the flying pilot donned oxygen while the non flying pilot turned the windshield heat off; declared an emergency and the flight landed without incident.
| Attributes | |
| ACN | 1053689 |
| Time | |
| Date | 201211 |
| 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 | Super King Air 350 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Descent |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Cockpit Window |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Maintenance Powerplant Maintenance Inspection Authority Maintenance Airframe |
| Experience | Flight Crew Last 90 Days 55 Flight Crew Total 2600 Flight Crew Type 60 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor |
Narrative:
While level at 9;000 feet; smoke appeared from left glare shield area adjacent to left windshield. Smoke was very pungent and increasing. An emergency was declared with ATC. Pilot flying donned oxygen mask as precaution. Pilot not flying suspected windshield problem and turned off windshield heat. After turning windshield heat off; smoke decreased and ceased entirely after a couple of minutes. ATC cleared us to land on runway 10 and an uneventful landing was made. Maintenance determined a problem with the windshield heat terminal strip; at fault. The windshield heat was placarded inoperative per the MEL; and the aircraft flown to a service center for windshield replacement. This happened on a beech king air 350 approximately one year old. Apparently this has happened on other king airs.
Original NASA ASRS Text
Title: A B350 cockpit windshield heat terminal strip became faulty causing a pungent smoke; so the flying pilot donned oxygen while the non flying pilot turned the windshield heat off; declared an emergency and the flight landed without incident.
Narrative: While level at 9;000 feet; smoke appeared from left glare shield area adjacent to left windshield. Smoke was very pungent and increasing. An emergency was declared with ATC. Pilot flying donned oxygen mask as precaution. Pilot not flying suspected windshield problem and turned OFF windshield heat. After turning windshield heat off; smoke decreased and ceased entirely after a couple of minutes. ATC cleared us to land on Runway 10 and an uneventful landing was made. Maintenance determined a problem with the windshield heat terminal strip; at fault. The windshield heat was placarded inoperative per the MEL; and the aircraft flown to a service center for windshield replacement. This happened on a Beech King Air 350 approximately one year old. Apparently this has happened on other King Airs.
Data retrieved from NASA's ASRS site as of July 2013 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.