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B737-ng first officer reported returning to the departure airport after experiencing a landing gear issue upon gear retraction after takeoff.
| Attributes | |
| ACN | 1412417 |
| Time | |
| Date | 201612 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B737 Next Generation Undifferentiated |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Climb |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Landing Gear |
| Person 1 | |
| Function | First Officer Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Type 1352 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
IMC night conditions. Aircraft icing takeoff due to -dz (light drizzle) and ceiling with a temp of 5C. I; the first officer; was pilot flying on the first leg of a pairing. Normal takeoff roll and rotation. I called for the gear up at positive rate then began to accelerate. As the gear tried to retract the aircraft began an abnormal vibration and we had a unsafe gear indication (all 6 lights; 3 green; 3 red) we secured the AC by lowering the gear handle and cleaning up the flaps while never exceeding 220 kts. All vibrations stopped and all indications normal. I remained PF while ca handled all of his duties (QRH; ATC; dispatch; fas; and maintenance). We opted to return to [departure airport]. Approach; landing (under [max] weight); rollout all normal.
Original NASA ASRS Text
Title: B737-NG First Officer reported returning to the departure airport after experiencing a landing gear issue upon gear retraction after takeoff.
Narrative: IMC night conditions. Aircraft icing takeoff due to -DZ (light drizzle) and ceiling with a temp of 5C. I; the FO; was pilot flying on the first leg of a pairing. Normal takeoff roll and rotation. I called for the gear up at positive rate then began to accelerate. As the gear tried to retract the aircraft began an abnormal vibration and we had a unsafe gear indication (all 6 lights; 3 green; 3 red) We secured the AC by lowering the gear handle and cleaning up the flaps while never exceeding 220 kts. All vibrations stopped and all indications normal. I remained PF while CA handled all of his duties (QRH; ATC; Dispatch; FAs; and Maintenance). We opted to return to [departure airport]. Approach; landing (under [max] weight); rollout all normal.
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.