# SDR SWIA200412877

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2004
- Submitted: February 18, 2004
- Operation: Air carrier
- Aircraft: [N584SW](https://openairdocs.org/aircraft/N584SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120352
- Aircraft time: 10,165 hours, 13,858 cycles
- System (JASC): [2422 · AC Inverter](https://openairdocs.org/jasc/2422)
- Part: Inverter
- Part number: PC2511C
- Part serial: 9917
- Condition: Malfunctioned
- Part time: 9,211 hours, 12,517 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: G, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA200412877

## Discrepancy

PILOT REPORTS SEVERAL AUTO PILOT FAILURES ON BOTH SIDES WITH ASSOCIATED FD AND OTHER FLAGS.  REMOVED AND REPLACED NR 1 INVERTER DUE TO POSSIBLE A/C POWER PROBLEMS TO AHRS AND AUTOPILOT COMPUTERS.  OPS CHECK OF INVERTER AND A/P GOOD.  REF EMB MM 120 24-21-01.

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