# SDR AALA201803239012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2018
- Submitted: March 27, 2018
- Operation: Air carrier
- Aircraft: [N906AA](https://openairdocs.org/aircraft/N906AA), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7651
- Aircraft time: 2,223 hours, 849 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Control Unit
- Condition: Odor
- Location: Ground Power
- 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/AALA201803239012

## Discrepancy

DUE TO ELECTRICAL ODOR REPORTED IN THE COCKPIT, COMPLIED WITH CABIN ODOR TROUBLESHOOTING CARD 05-96-84. PERFORMED MCM CARD 05-96-84, CABIN AIR QUALITY CARD, REPLACED GAPCU IAW AMM 24-41-34. OPS CHECKED IAW AMM 24-41-00. OPS CHECKED GOOD.  CYCLED POWER FROM GPU TO APU POWER MULITIPLE TIMES, UNPLUGGED GPU AND APPLIED POWER. NO FAULTS OR ODORS NOTED. OK FOR SERVICE.  THE AIRCRAFT WAS GROUNDED.

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