# SDR WWMA9600021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N349SB](https://openairdocs.org/aircraft/N349SB), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B349
- System (JASC): [2730 · Elevator Control System](https://openairdocs.org/jasc/2730)
- Part: Pitch Trim Sw
- Part number: 5331139
- Condition: Defective
- Location: Lt Cockpit
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WWMA9600021

## Discrepancy

THE CREW REPORTED, AN UNCOMMANDED ELEVATOR TRIM IN FLIGHT, PRECEEDED BY THE CAPTAINS ELEVATOR TRIM BEING INTERMITTENT. MAINTENANCE REPLACED THE CAPTAINS PITCH TRIM SWITCH AND RELEASED THE AIRCRAFT TO SERVICE.

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