# SDR SWIA971750

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2000
- Submitted: April 14, 2000
- Operation: Air carrier
- Aircraft: [N199SW](https://openairdocs.org/aircraft/N199SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120237
- Aircraft time: 23,530 hours, 29,889 cycles
- Engine: Pwa PW118B
- System (JASC): [2211 · Autopilot Computer](https://openairdocs.org/jasc/2211)
- Part: Computer
- Condition: Failed
- Location: Afcs
- Stage of operation: CL
- How discovered: O
- Nature of condition: G, F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA971750

## Discrepancy

AFTER TAKEOFF AT 1500 AGL TRIPLE CHIME AND RED TRIM FAIL AND AUTO PILOT FAIL , MAP LIGHTS ILLUMINATED, THE YAW DAMPNER FAILED.  CAPTAINS AND FOS COMPUTER FLAGS WAS OBSERVED ON AHRS, ARCS FGS 1 AND FGS 2 DC CIRCUIT BREAKERS POPPED AND WOULD NOT RESET.  NO FLIGHT CONTROL PROBLEMS IN MANUAL TRIM FOUND.  RETURNED TO LAX.  DEFERRED AUTO PILOT PER MEL 22111.

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