# SDR SWIA200311851

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2003
- Submitted: March 28, 2003
- Operation: Air carrier
- Aircraft: [N234SW](https://openairdocs.org/aircraft/N234SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120308
- Aircraft time: 17,289 hours, 24,688 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Relay
- Condition: Malfunctioned
- Location: Trim Proximity
- Stage of operation: CL
- How discovered: 9
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA200311851

## Discrepancy

AFTER TAKEOFF WITH AUTOPILOT SELECTED TO CAPTAIN'S SIDE, TRIM FAIL ILLUMINATED ON MAP MOMENTARILY, BUT THEN EXTINGUISHED.  AUTOPILOT WAS ENGAGED; ON DESCENT PLANE PITCHED DOWN AND LIGHT CAME ON AGAIN.  REPLACED TRIM PROXIMITY RELAY K0393.  BOTH AUTOPILOT FLIGHT DIRECTOR SYSTEMS OPERATE NORMALLY PER MM 22-11-00.

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