# SDR AALA201902089003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2019
- Submitted: April 3, 2019
- Operation: Air carrier
- Aircraft: [N576UW](https://openairdocs.org/aircraft/N576UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6027
- Aircraft time: 17,489 hours, 6,681 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Module
- Condition: Leaking
- Location: Apu
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201902089003

## Discrepancy

AN ODOR WAS NOTICED DURING  DESCENT, 5,000 FEET AND BELOW.    NOTICED STRONGER ODOR,  WHEN APU BLEED TURNED ON, ON GROUND. MAINTENANCE ACCOMPLISHED JOB CARD 26L000210 FOR TROUBLESHOOTING,  NO ODOR NOTED,  AND PERFORMED SATISFACTORY OPERATIONAL CHECK.  REMOVED AND REPLACED APU OIL LUBE MODULE IAW AMM 49-91-45.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.