# SDR SWIA200616776

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2006
- Submitted: November 16, 2006
- Operation: Air carrier
- Aircraft: [N564SW](https://openairdocs.org/aircraft/N564SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120339
- Aircraft time: 17,961 hours, 25,935 cycles
- System (JASC): [2436 · DC Regulator](https://openairdocs.org/jasc/2436)
- Part: Gcu
- Part number: 51539014A
- Part serial: 10489
- Condition: Malfunctioned
- Location: Apu
- Part time: 13,522 hours, 19,320 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA200616776

## Discrepancy

AFTER APU SHUTDOWN SMOKE FILLED THE COCKPIT.  REPLACED APU GCU.  REPLACED APU STARTER/GEN AND REPLACED FEEDER PROTECTION RELAY.  OPERATIONAL CHECKS GOOD, PN23080-013 SN/OFF 2364, PN2903-0002-001.

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