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A dhc-8-100 left AC bus failed after takeoff in heavy snow; so an emergency was declared and the flight returned to the departure airport.
| Attributes | |
| ACN | 1066919 |
| Time | |
| Date | 201302 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | Dash 8-100 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Electrical Distribution Busbar |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 120 Flight Crew Total 20000 Flight Crew Type 10000 |
| Person 2 | |
| Function | First Officer Pilot Flying |
| Qualification | Flight Crew Commercial |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Maintenance Inflight Event / Encounter Weather / Turbulence |
Narrative:
8;000 feet in heavy snow after departing; -7C; we noticed the caution light panel lt tru; left AC bus; left elevator heat and stall warn lights illuminated. Based on flight conditions and aircraft condition; degraded deice capability; an emergency was declared and returned to the departure airport. Completed applicable checklists notified company; flight attendant and passengers of our return; special cabin instructions were not required. Our flight attendant called the cockpit around the time we noticed the light panel to alert us the emergency lights were flashing. A landing was uneventful; no assistance was required. Uneventful taxi to gate with normal shut down procedures.
Original NASA ASRS Text
Title: A DHC-8-100 L AC Bus failed after takeoff in heavy snow; so an emergency was declared and the flight returned to the departure airport.
Narrative: 8;000 feet in heavy snow after departing; -7C; we noticed the Caution Light panel LT TRU; L AC Bus; L Elevator Heat and Stall Warn lights illuminated. Based on flight conditions and aircraft condition; degraded deice capability; an emergency was declared and returned to the departure airport. Completed applicable checklists notified Company; Flight Attendant and passengers of our return; special cabin instructions were not required. Our Flight Attendant called the cockpit around the time we noticed the light panel to alert us the emergency lights were flashing. A landing was uneventful; no assistance was required. Uneventful taxi to gate with normal shut down procedures.
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.