# SDR SWIA200312003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 2003
- Submitted: May 23, 2003
- Operation: Air carrier
- Aircraft: [N209SW](https://openairdocs.org/aircraft/N209SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120269
- Aircraft time: 28,591 hours, 35,124 cycles
- Engine: Pwa PW118A
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock Sensor
- Condition: Malfunctioned
- Location: Mlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA200312003

## Discrepancy

UPON DEPARTURE, LANDING GEAR WOULD NOT RETRACT.  SYSTEM A & B SHOWED DISAGREEMENT, WITH THE EXCEPTION OF SYSTEM A, LEFT MAIN GEAR.  RAN QRH, NO RESULTS, CYCLED GEAR, NO RESULTS, PULLED & RESET LANDING GEAR CB, GEAR RETRACTED.REMOVED AND REPLACED ''A'' UPLOCK PROX SENSOR ON LEFT MAIN GEAR IAW MM 32-61-01.  OPERATIONAL CHECK OF GEAR SWING, GOOD.

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