# SDR FDEA201803240777

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2018
- Submitted: March 28, 2018
- Operation: Air carrier
- Aircraft: [N733FD](https://openairdocs.org/aircraft/N733FD), registered now
- Make and model: Airbus A300 B4-605R
- Registry model: [Airbus A300 B4-605R](https://openairdocs.org/model/airbus-industrie-a300-b4-605r) (OpenAirDocs)
- Aircraft serial: 715
- Aircraft time: 44,711 hours, 23,226 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock Sensor
- Part number: DSB11021
- Part serial: 17344
- Condition: Inoperative
- Location: Lt Mlg
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201803240777

## Discrepancy

LEFT MAIN LANDING GEAR NOT DOWN AND LOCKED, SYSTEM 1 AND 2.   INITIALLY SYSTEM 1,  TROUBLESHOT THE SYSTEM AND FOUND THE LEFT GEAR DOWNLOCK SENSOR 67GB FAULTY.   REMOVED AND REPLACED THE NR 1 PROXIMITY SENSOR IAW AMM . OPS CHECKED GOOD IAW TSM 32-61-00, AND MM 32-00-00.

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