# SDR 9617023218

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N318US](https://openairdocs.org/aircraft/N318US), registered now
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 206
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Prox Sensor
- Condition: Malfunctioned
- Location: Landing Gear
- Stage of operation: AP
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9617023218

## Discrepancy

DURING APPROACH AFTER LANDING GEAR EXTENSION, RECEIVED L/G GEAR NOT DOWNLOCKED MESSAGE.  CYCLED LANDING GEAR AND ALL INDICATIONS WERE NORMAL.  AIRCRAFT LANDED WITHOUT INCIDENT.  MAINTENANCE REPLACED PROXIMITY SENSOR 25GA, LANDING GEAR SELECTOR VALVE AND NR 2 LANDING GEAR CONTROL INTERFACE UNIT, OPERATIONAL CHECK OK.

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