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The flight crew of an A320 noted excessive vibration in the left engine during taxi out after being de and anti-iced at the gate. They returned to the gate for an inspection which revealed several damaged fan blades.
| Attributes | |
| ACN | 1069174 |
| Time | |
| Date | 201302 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | IMC |
| Aircraft 1 | |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Taxi |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Fan Blade |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | Pilot Not Flying First Officer |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Ground Event / Encounter Other / Unknown |
Narrative:
We got de-iced and anti-iced in the alley with the engines off. Once cleared by the de-icers we started both engines; put the engine anti-ice on; and proceeded to taxi out of the alley. The alley and ramp area were a mixture of loose and packed snow. Once we were on [taxiway] D; the taxiways were clear of snow to the pavement; but were still a bit icy. As we taxied we noticed a slight engine vibration. At an intersection short of the runway was a good; non-icy portion of pavement where we ran up the engines. We noticed a significant vibration in the number 1 engine and no vibration on the number 2 engine. We told ATC that we needed to return to the gate and they cleared us back to the ramp. A post flight inspection revealed several damaged fan blades on the number 1 engine. Maintenance was called and a log book entry was made.
Original NASA ASRS Text
Title: The flight crew of an A320 noted excessive vibration in the left engine during taxi out after being de and anti-iced at the gate. They returned to the gate for an inspection which revealed several damaged fan blades.
Narrative: We got de-iced and anti-iced in the alley with the engines off. Once cleared by the de-icers we started both engines; put the engine anti-ice on; and proceeded to taxi out of the alley. The alley and ramp area were a mixture of loose and packed snow. Once we were on [Taxiway] D; the taxiways were clear of snow to the pavement; but were still a bit icy. As we taxied we noticed a slight engine vibration. At an intersection short of the runway was a good; non-icy portion of pavement where we ran up the engines. We noticed a significant vibration in the Number 1 engine and no vibration on the Number 2 engine. We told ATC that we needed to return to the gate and they cleared us back to the ramp. A post flight inspection revealed several damaged fan blades on the Number 1 engine. Maintenance was called and a log book entry was made.
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.