# SDR SWIA972495

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2001
- Submitted: April 12, 2001
- Operation: Air carrier
- Aircraft: N251YV
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120251
- Aircraft time: 18,986 hours, 26,735 cycles
- Engine: Pwa PW118B
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Switch
- Condition: Faulty
- Location: Autopilot
- Part time: 0 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA972495

## Discrepancy

AUTOPILOT TRANSFER SWITCH WILL NOT TRANSFER FROM FIRST OFFICER SIDE.  WHEN AUTOPILOT IS ENGAGED, TRIM WHEEL RAPIDLY TRIMS NOSE UP.  INSPECTED AND REPLACED LAMPS AND F/O''S TRANSFER SWITCH.  FOUND LOOSE SCREW INSIDE.  REPAIRED, OPS CHECKS GOOD.  AUTOPILOT TESTS GOOD.

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