# SDR SWIA201127138

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2011
- Submitted: August 12, 2011
- Operation: Air carrier
- Aircraft: [N567SW](https://openairdocs.org/aircraft/N567SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120342
- Aircraft time: 27,890 hours, 39,176 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Sequence Valve
- Condition: Failed
- Location: Lt Mlg
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA201127138

## Discrepancy

LEFT MAIN GEAR DID NOT RETRACT FOR 2 MINS AFTER RAISING GEAR LEVER.  (FLT 6323)  REPLACED LEFT INBOARD SEQUENCE VALVE ASSEMBLY AND LEFT GEAR DOWN UNLOCKING ACTUATOR.  P/N 120-32943-001, S/N OFF UNREADABLE / P/N 19535-000-01, S/N OFF 11.

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