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Bombardier dash 8 flight crew reported shutting down the APU and discharging the fire bottle after noticing an excessive electrical load on the APU and smoke reported to be coming from the tail area.
| Attributes | |
| ACN | 1498197 |
| Time | |
| Date | 201711 |
| 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 | Dash 8-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | APU Electrical |
| Person 1 | |
| Function | Pilot Not Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 220 Flight Crew Total 7200 Flight Crew Type 6600 |
| Person 2 | |
| Function | Pilot Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor |
Narrative:
After engine start; we noticed the APU contactor was welded; we quickly de-powered the aircraft and asked all the passengers to deplane. During the deplaning process; the ramp supervisor advised me that he sees a lot of smoke coming from the APU area. At that point we were almost finished deplaning all passengers except 3 that came on with wheelchairs (they were still seated). At that point in time; I decided to activate the APU fire bottle on the side of caution knowing I have a few passengers that were still on the plane with mobility issues. Fire services were also called and inspection was also done by the firefighters to ensure no fire was present.
Original NASA ASRS Text
Title: Bombardier Dash 8 flight crew reported shutting down the APU and discharging the fire bottle after noticing an excessive electrical load on the APU and smoke reported to be coming from the tail area.
Narrative: After engine start; we noticed the APU contactor was welded; we quickly de-powered the aircraft and asked all the passengers to deplane. During the deplaning process; the ramp supervisor advised me that he sees a lot of smoke coming from the APU area. At that point we were almost finished deplaning all passengers except 3 that came on with wheelchairs (they were still seated). At that point in time; I decided to activate the APU fire bottle on the side of caution knowing I have a few passengers that were still on the plane with mobility issues. Fire services were also called and inspection was also done by the firefighters to ensure no fire was present.
Data retrieved from NASA's ASRS site 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.