# SDR SWIA200616853

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2006
- Submitted: November 17, 2006
- Operation: Air carrier
- Aircraft: [N290SW](https://openairdocs.org/aircraft/N290SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120317
- Aircraft time: 22,710 hours, 33,665 cycles
- System (JASC): [3231 · Landing Gear Door Retract Section](https://openairdocs.org/jasc/3231)
- Part: Sequence Valve
- Condition: Malfunctioned
- Location: Lt 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/SWIA200616853

## Discrepancy

LEFT MAIN GEAR DID NOT COME UP AFTER TAKEOFF, RETURNED TO PSP.  ADJUSTED LEFT MLG OUTBOARD DOOR SEQUENCE VALVE.  OPERATIONAL CHECKS GOOD.

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