# SDR R61A20110094

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2011
- Submitted: April 26, 2011
- Operation: Air carrier
- Aircraft: [N133HQ](https://openairdocs.org/aircraft/N133HQ), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000217
- Aircraft time: 8,201 hours, 6,610 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Proximity Sensor
- Part number: 8001901
- Condition: Faulty
- Location: Nlg
- 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/R61A20110094

## Discrepancy

CREW REPORTED ON TAKEOFF THE LG WOULDN'T RETRACT AND LG DISAGREE MSG APPEARED, CREW DECLARED AN EMERGENCY AND RETURNED TO FIELD AT PIT.  THE A/C LANDED WITHOUT INCIDENT.  MAINTENANCE TROUBLESHOT, AND REMOVED AND REPLACED NLG PROX SENSOR PER EMB AMM AND PERFORMED GEAR SWINGS, OPS CHECK GOOD.

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