# SDR SIMA20120719005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2012
- Submitted: July 20, 2012
- Operation: Air carrier
- Aircraft: [N643AE](https://openairdocs.org/aircraft/N643AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145200
- Aircraft time: 30,639 hours, 27,501 cycles
- System (JASC): [3250 · Landing Gear Steering System](https://openairdocs.org/jasc/3250)
- Part: Potentiometer
- Part number: 1170A350001
- Part serial: 00511P
- Condition: Inoperative
- Location: Nlg Steering
- Stage of operation: TO
- How discovered: O
- Nature of condition: F
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20120719005

## Discrepancy

FLIGHT 3270, CREW REPORTED THAT DURING TAKEOFF AT 50 KNOTS THE AIRCRAFT MADE AN UNCOMMANDED SWERVE TO THE LEFT.  AN ABORT WAS ACCOMPLISHED FOLLOWED BY A "NO T/O CONFIG" WARNING ON EICAS.  AIRCRAFT REMOVED FROM SERVICE.   REMOVED AND REPLACED THE NOSE WHEEL STEERING FEEDBACK POTENTIOMETER IAW AMM 32-50-07.  OPS CHECKED GOOD.  AIRCRAFT RETURNED TO SERVICE.

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