# SDR DALA2026021601053

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2026
- Submitted: February 16, 2026
- Operation: Air carrier
- Aircraft: [N109DN](https://openairdocs.org/aircraft/N109DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 9588
- Aircraft time: 16,095 hours, 6,682 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock Sensor
- Condition: Faulted
- Location: Zone 700
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026021601053

## Discrepancy

ATB  DUE TO NOSE LANDING GEAR WOULD NOT RETRACT (L/G DOORS NOT CLOSED ECAM WARNING).  REPLACED NLG UPLOCK PROXIMITY SENSOR (13GA). (LP 8129952)

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