# SDR AALA201708319020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 30, 2017
- Submitted: August 31, 2017
- Operation: Air carrier
- Aircraft: [N162UW](https://openairdocs.org/aircraft/N162UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1412
- Aircraft time: 56,013 hours, 20,915 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Proximity Sensor
- Part number: 839902
- Condition: Faulty
- Location: Mlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201708319020

## Discrepancy

UNABLE TO RETRACT GEAR ON INITIAL GEAR UP SELECTION.  FEW MINUTES LATER, ECAM CLASS 1 FAULT MLG SHOCK ABSORBER FAULT, TWO MINUTES LATER, FAULT CLEARED AND WERE ABLE TO RETRACT GEAR. REPLACED PROXIMITY SENSOR IAW AMM. OPS CHECKED GOOD.

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