# SDR DALA2025121709179

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2025
- Submitted: December 17, 2025
- Operation: Air carrier
- Aircraft: [N314DU](https://openairdocs.org/aircraft/N314DU), 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: 55192
- Aircraft time: 8,803 hours, 3,710 cycles
- Engine: PW1524G3
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Bleed Air Sys
- Condition: Odor
- Location: Rt 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/DALA2025121709179

## Discrepancy

ATB, RETURNED TO BNA CREW REPORTED DIRTY SOCK SMELL AFTER TAKEOFF.   COMPLIED WITH TASK CARD 0550-2001. FOUND FAINT ODOR ONLY AT 20% N1 AND ABOVE. RT ENGINE BLEED DEFERRED. (LP# 7699534)

---
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.
