# SDR HNAA2025021000079

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2025
- Submitted: February 10, 2025
- Operation: Air carrier
- Aircraft: [N647AE](https://openairdocs.org/aircraft/N647AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145222
- Aircraft time: 53,596 hours, 50,991 cycles
- System (JASC): [3200 · Landing Gear System](https://openairdocs.org/jasc/3200)
- Part: Proximity Switch
- Part number: 8005701
- Condition: Faulted
- Location: Zone 700
- 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/HNAA2025021000079

## Discrepancy

SPS ADVANCE FAIL MESSAGE IN FLIGHT AT 9000' WENT AWAY AROUND 2000'  FACT  09FEB25  14:07  PHL T/S USING FIM 32-61-00-810-806-A. VERIFIED LEGU CONNECTOR ARE FREE OF CORROTION AND INSTALLED PROPERLY. FOUND PROX SWITCH ON R/H MLG DOWNLOCK INOP R&R RH MLG DOWN LOCK #2 PROX SW IAW AMM 32-61-02. OPS CHECK GOOD. OK FOR 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.