# SDR HNAA2019080200204

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2019
- Submitted: August 2, 2019
- Operation: Air carrier
- Aircraft: [N633AE](https://openairdocs.org/aircraft/N633AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145148
- Aircraft time: 45,391 hours, 42,750 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock Sensor
- Condition: Malfunctioned
- Location: Rt Mlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2019080200204

## Discrepancy

RH MLG FLUCTUATING BETWEEN AMBER CROSSHATCHES AND UP ACCOMPANIED BY THUMPING NOISE,OCCURED WHEN GEAR SELECTED UP. R & R THE RH UPPER UPLOCK PROX SENSOR IAW AMM 32-63-01, PERFORMED LANDING GEAR RETRACTION AND EXTENSION, OPS CHECK GOOD OK FOR SERVICE.

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