# SDR AALA201901099011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2019
- Submitted: January 9, 2019
- Operation: Air carrier
- Aircraft: [N508AY](https://openairdocs.org/aircraft/N508AY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3740
- Aircraft time: 36,540 hours, 12,900 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Motor
- Condition: Failed
- Location: Fan
- Stage of operation: CR
- 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/AALA201901099011

## Discrepancy

AN ACRID ODOR WAS NOTICED IN THE COCKPIT AND LATER IN THE CABIN AFTER DESCENT.  STILL PRESENT WITH NR 1 PACK OFF.  DISAPPEARED ON GROUND WITH BOTH PACKS OFF. THE AIRCRAFT WAS GROUNDED.  REMOVED & REPLACED THE FAN MOTOR IAW AMM 21-26-51.  OPS CHECKED GOOD.

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