# SDR AALA202107281936

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2021
- Submitted: July 28, 2021
- Operation: Air carrier
- Aircraft: [N128UW](https://openairdocs.org/aircraft/N128UW), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 4242
- Aircraft time: 31,010 hours, 16,803 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Smoke
- Location: Ecs System
- Stage of operation: DE
- 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/AALA202107281936

## Discrepancy

AIRCRAFT WAS GROUNDED: ON DECENT WITH ENGINES IDLE AND HP VALVE OPEN, SMOKE ODOR FROM AIR CONDITIONING SYSTEM.  (OPEN)

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