# SDR USAA2009021890367

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2009
- Submitted: May 15, 2009
- Operation: Air carrier
- Aircraft: [N193UW](https://openairdocs.org/aircraft/N193UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 3584
- Aircraft time: 1,908 hours, 637 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Transistor
- Part number: JANTX2N6796
- Condition: Faulty
- Location: Lgciu
- Component: Lgciu
- Component part number: 664700500A4D
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2009021890367

## Discrepancy

LOG PAGE 8209449 - FLT 1543 CLT-SEA - EMERGENCY LANDING - LANDING GEAR FAILED TO EXTEND. NO DOWN INDICATION ON LANDING GEAR PANEL OR WHEEL ECAM PAGE. CAPTAIN HAD TO DO A MANUAL GEAR DOWN AND DECLARED AN EMERGENCY. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE LANDING GEAR CONTROL INTERFACE UNIT.

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