# SDR AALA201803059011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2018
- Submitted: March 6, 2018
- Operation: Air carrier
- Aircraft: [N150UW](https://openairdocs.org/aircraft/N150UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 5504
- Aircraft time: 16,794 hours, 6,816 cycles
- System (JASC): [2440 · External Power System](https://openairdocs.org/jasc/2440)
- Part: Control Unit
- Part number: 1700667D
- Part serial: AADU006019
- Condition: Failed
- Location: Ground Power
- Part time: 15,443 hours, 6,187 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201803059011

## Discrepancy

MAINTENANCE FOUND THE CIRCUIT BREAKER FOR THE GROUND POWER CONTROL UNIT TRIPPED WITH A BURNED ODOR IN THE E/E COMPARTMENT.  REPLACED THE GROUND POWER CONTROL UNIT IAW AMM 24-41-00-740-004A.

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