# SDR 9720893247

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N347NW](https://openairdocs.org/aircraft/N347NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 408
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Sensor
- Part number: 848401
- Condition: Failed
- Location: Lt Mlg
- Stage of operation: AP
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9720893247

## Discrepancy

ON APPROACH AFTER LANDING GEAR SELECTED DOWN, THE LEFT MAIN GEAR UNLOCKED INDICATION MESSAGE WAS DISPLAYED.  CREW RECYCLED LANDING GEAR.  DECLARED AN EMERGENCY AND PERFORMED A GRAVITY EXTENSION RESULTING IN ALL THREE GEAR INDICATING DOWN AND LOCKED.  AIRCRAFT LANDED WITHOUT INCIDENT.  MAINTENANCE REPLACED LEFT MAIN DOWNLOCK SENSOR 15GA, OPERATIONAL CHECK OK.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
