# SDR USAA2011062800027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2011
- Submitted: June 28, 2011
- Operation: Air carrier
- Aircraft: [N812AW](https://openairdocs.org/aircraft/N812AW), registered now
- Make and model: Airbus A319-132
- Registry model: [Airbus A319-132](https://openairdocs.org/model/airbus-a319-132) (OpenAirDocs)
- Aircraft serial: 1178
- Aircraft time: 40,377 hours, 16,237 cycles
- System (JASC): [2440 · External Power System](https://openairdocs.org/jasc/2440)
- Part: Control Unit
- Part number: 740121B
- Part serial: 1403
- Condition: Malfunctioned
- Location: Groung Power
- Part time: 40,377 hours, 16,237 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2011062800027

## Discrepancy

YYC-PHX - BURNING SMELL - SMOKE AND ELECTRICAL BURNING SMELL IN COCKPIT.  FOUND CIRCUIT BREAKER AB7 GROUND POWER PROTECTION TRIPPED.  INSPECTED MAIN E&E BAY, BATTERY BAY, CIRCUIT BREAKER PANELS, AND FORWARD E&E BAY.  FOUND BURNING SMELL FROM GPCU.  REMOVED AND REPLACED GROUND POWER CONROL UNIT (GPCU) PER AMM 24-41-34-000-001.  RESET CIRCUIT BREAKER AB7.  PERFORMED TEST OF THE GPCU PER M/M 24-41-00-740-002.  OPERATIONAL CHECK GOOD.

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