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A B757-200 crew rejected the takeoff at 50 KTS when the cockpit filled with airconditioning smoke after takeoff power was set. The smoke dissipated after the airconditioning air was supplied by the APU.
| Attributes | |
| ACN | 846927 |
| Time | |
| Date | 200908 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Takeoff |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Air Conditioning Distribution System |
| Person 1 | |
| Function | Pilot Not Flying Captain |
| Experience | Flight Crew Last 90 Days 300 Flight Crew Total 14500 Flight Crew Type 9000 |
| Person 2 | |
| Function | Pilot Flying First Officer |
| Experience | Flight Crew Last 90 Days 180 Flight Crew Total 10000 Flight Crew Type 1200 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor |
Narrative:
The operation was normal until taxi out including running both packs with the APU and the engine start. During the taxi; I thought I saw a slight mist in the air which I thought was caused by the airplane sitting overnight. After being cleared for takeoff; the first officer began to move the throttles to takeoff power. As he brought the power up; heavy smoke from the air conditioning vents began to fill the cockpit. I called 'aborting' and retarded the throttles to idle. The maximum speed was approximately 50 KTS. The first officer told the tower we were aborting the takeoff and cleared us to taxi off the runway. The smoke stopped as soon as we brought the throttles back. I told the flight attendants and passengers to 'remain seated' while we cleared the runway. During the taxi in; we turned the packs off and started the APU. When the APU came on line; we ran the packs with the APU and the smoke cleared.
Original NASA ASRS Text
Title: A B757-200 crew rejected the takeoff at 50 KTS when the cockpit filled with airconditioning smoke after takeoff power was set. The smoke dissipated after the airconditioning air was supplied by the APU.
Narrative: The operation was normal until taxi out including running both packs with the APU and the engine start. During the taxi; I thought I saw a slight mist in the air which I thought was caused by the airplane sitting overnight. After being cleared for takeoff; the First Officer began to move the throttles to takeoff power. As he brought the power up; heavy smoke from the air conditioning vents began to fill the cockpit. I called 'aborting' and retarded the throttles to idle. The maximum speed was approximately 50 KTS. The First Officer told the Tower we were aborting the takeoff and cleared us to taxi off the runway. The smoke stopped as soon as we brought the throttles back. I told the flight attendants and passengers to 'remain seated' while we cleared the runway. During the taxi in; we turned the packs off and started the APU. When the APU came on line; we ran the packs with the APU and the smoke cleared.
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.