# SDR HNAA2020032700108

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2020
- Submitted: March 27, 2020
- Operation: Air carrier
- Aircraft: [N646AE](https://openairdocs.org/aircraft/N646AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145213
- Aircraft time: 46,570 hours, 42,960 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Proximity Switch
- Condition: Faulty
- Location: Mlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2020032700108

## Discrepancy

PDIS  646     32-10  2152031  26MAR20  PHL  CLOSE
      DURING GEAR RETRACT, LOUD THUMPING NOISE WITH L/H ML
      G INDICATION CYCLING BETWEEN UP AND IN TRANSIT.
FACT  26MAR20  03:34  PHL
            R&R BOTH MLG UPLOCK BOX PROXIMITY SWITHCHES IAW AMM
            32-61-01. EXTENDED AND RETRACTED LANDING GEAR IAW AM
            M 32-30-00. NO DISCREPAENCIES NOTED AT THIS TIME. OP
            S CHECK GOOD.
SUPPLEMENTARY INFORMATION.... FLT NUMBER IS ACTUALLY 4914 ORIGINALLY REPORTED AS 9948

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