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An air carrier aircraft had a flap asymmetry at flaps 1 while retracting the flaps after takeoff. An emergency was declared and the aircraft returned to the departure airport.
| Attributes | |
| ACN | 976249 |
| Time | |
| Date | 201110 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.TRACON |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Flap Control (Trailing & Leading Edge) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy Ground Event / Encounter Other / Unknown |
Narrative:
After takeoff flaps failed to retract due to asymmetry at less than 1. Declared emergency. Followed asymmetry checklist. Returned to the departure airport. Landed overweight; 149.1K; ground speed 191kts. Notified ramp hot brakes; for personnel safety; chock only nose wheels. Parking brakes not set. Deplaned passengers. Ramp personnel chocked nose and main wheels. Apparently did not receive safety info regarding hot brakes and chock only nose wheels.
Original NASA ASRS Text
Title: An Air Carrier aircraft had a flap asymmetry at Flaps 1 while retracting the flaps after takeoff. An emergency was declared and the aircraft returned to the departure airport.
Narrative: After takeoff flaps failed to retract due to asymmetry at less than 1. Declared emergency. Followed asymmetry checklist. Returned to the departure airport. Landed overweight; 149.1K; ground speed 191kts. Notified ramp hot brakes; for personnel safety; chock only nose wheels. Parking brakes not set. Deplaned passengers. Ramp personnel chocked nose and main wheels. Apparently did not receive safety info regarding hot brakes and chock only nose wheels.
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.