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B747-400 flight crew experienced an autothrottle malfunction and the aircraft approached a stall before they recognized the loss of airspeed and took corrective action.
| Attributes | |
| ACN | 1086832 |
| Time | |
| Date | 201305 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZZ.TRACON |
| State Reference | FO |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B747-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Autothrottle/Speed Control |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy Deviation - Speed All Types Inflight Event / Encounter Unstabilized Approach |
Narrative:
On approach airspeed was not maintained and the airplane approached a stall because of an autothrottle malfunction. Once this was recognized the approach continued normally.
Original NASA ASRS Text
Title: B747-400 flight crew experienced an autothrottle malfunction and the aircraft approached a stall before they recognized the loss of airspeed and took corrective action.
Narrative: On approach airspeed was not maintained and the airplane approached a stall because of an autothrottle malfunction. Once this was recognized the approach continued normally.
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.