# SDR AALA201704289001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2017
- Submitted: April 28, 2017
- Operation: Air carrier
- Aircraft: [N125UW](https://openairdocs.org/aircraft/N125UW), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 4086
- Aircraft time: 21,197 hours, 10,914 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Part number: 38007081WGEN
- Part serial: P4292
- Condition: Smoke
- Part time: 26,532 hours, 10,042 cycles
- Stage of operation: CL
- 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/AALA201704289001

## Discrepancy

INBOUND CREW REPORTED AFT CABIN SMOKE AND FUMES PASSING THROUGH 6,000 FT.  PERFORMED TROUBLESHOOTING AND FOUND APU AS SOURCE OF ODOR. REMOVED AND REPLACED APU.  AIRCRAFT WAS GROUNDED.

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