# SDR SIMA992981

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N635AE](https://openairdocs.org/aircraft/N635AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145158
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Switch
- Part number: 852701
- Condition: Failed
- Location: Rt Mlg
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA992981

## Discrepancy

ORD - FLT 4387 - LANDING GEAR WOULD NOT RETRACT.  REMOVED AND REPLACED TWO RIGHT MAIN LANDING GEAR PROXIMITY SWITCHES. OPERATIONAL CHECK GOOD.  AIRCRAFT RETURNED TO SERVICE.  REF:  OPER CONTROL NR 2000ZZZX167.  (X)

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