# SDR DALA2026020600860

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2026
- Submitted: February 6, 2026
- Operation: Air carrier
- Aircraft: [N325DU](https://openairdocs.org/aircraft/N325DU), registered now
- Make and model: Airbus BD-500-1A11
- Registry model: [Airbus BD-500-1A11](https://openairdocs.org/model/airbus-canada-lp-bd-500-1a11) (OpenAirDocs)
- Aircraft serial: 55272
- Aircraft time: 5,896 hours, 2,432 cycles
- Engine: PW1521G
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Compressor
- Condition: Odor
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026020600860

## Discrepancy

RETURNED TO SLC DUE TO PUNGENT SEWER ODOR THROUGHOUT THE CABIN. DECLARED EMERGENCY.   TROUBLESHOT PER MSI WORKCARDS FOUND ODOR FROM NBR 1 ENGINE. LOCKED OUT LEFT ENGINE BLEED PER MEL AND ISSUED MON LP TO PERFORM COMPRESSOR WASH WITHIN 5 DAYS AND BOROSCOPE WITHIN 10 DAYS. (LP# 7728336)

---
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.
