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A B737-400 flight crew extended flaps to 15 via the alternate system when they failed to extend normally. They declared a precautionary emergency and landed uneventfully.
| Attributes | |
| ACN | 986416 |
| Time | |
| Date | 201112 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | Marginal |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B737-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Flap Control (Trailing & Leading Edge) |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
While on downwind to runway 36R the flaps and slats did not extend when selected. An emergency was declared as a precaution. Dispatch and maintenance were brought into the loop; as additional external resources. Flaps and slats were only able to be extended via the QRH alternate flap operation procedure. Flaps were extended to 15 degrees per this non-normal procedure and an uneventful flaps 15 landing was accomplished.
Original NASA ASRS Text
Title: A B737-400 flight crew extended flaps to 15 via the alternate system when they failed to extend normally. They declared a precautionary emergency and landed uneventfully.
Narrative: While on downwind to Runway 36R the flaps and slats did not extend when selected. An emergency was declared as a precaution. Dispatch and Maintenance were brought into the loop; as additional external resources. Flaps and slats were only able to be extended via the QRH alternate flap operation procedure. Flaps were extended to 15 degrees per this non-normal procedure and an uneventful flaps 15 landing was accomplished.
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.