# SDR SWIA971636

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N220SW](https://openairdocs.org/aircraft/N220SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120288
- Engine: Pwa PW118B
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Sequence Valve
- Condition: Failed
- Location: Rt Mlg
- Stage of operation: CL
- Nature of condition: F, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA971636

## Discrepancy

RIGH MAIN LANDING GEAR DID NOT RETRACT AFTER TAKEOFF.  RETURNED TO FAT.  REPLACED AND ADJUSTED RIGHT MAIN LANDING GEAR SEQUENCE VALVES.  OPS CHECKS GOOD ON GROUND.

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