# SDR HNAA2019082800240

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 27, 2019
- Submitted: August 28, 2019
- Operation: Air carrier
- Aircraft: [N636AE](https://openairdocs.org/aircraft/N636AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145160
- Aircraft time: 44,959 hours, 41,945 cycles
- System (JASC): [3250 · Landing Gear Steering System](https://openairdocs.org/jasc/3250)
- Part: Potentiometer
- Condition: Failed
- Location: Feedback Unit
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2019082800240

## Discrepancy

WITH TILLER ENGAGED UNCOMMANDED STEERING TO LEFT AND RIGHT WITH NOTED CLICKING AND GRINDING SOUND HEARD.   REPLACED FEEDBACK UNIT (POTENENTIOMETER) IAW 30-50-07 PERFORMED COMPLETE ADJUSTMENT IAW AMM 32-50-00-700-804/500. TAXI CHECK NO FIX. REPLACED STEERING HANDLE WHEEL IAW 32-50-01 OPS CHECK GOOD,OPS CHECK TAXI CHECK GOOD. RETURN TO SERVICE

---
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.