# SDR DALA2026100705544

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2026
- Submitted: October 7, 2026
- Operation: Air carrier
- Aircraft: [N311DU](https://openairdocs.org/aircraft/N311DU), 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: 55153
- Aircraft time: 13,086 hours, 5,699 cycles
- Engine: Pwa PW1524G3
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Bleed Air Sys
- Condition: Odor
- Location: Lt Engine
- Stage of operation: NR
- 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/DALA2026100705544

## Discrepancy

MUSTY/BURNY SMELL COMING FROM AFT GALLEY, CAN SMELL THESE FUMES FROM MID CABIN TO AFT TO THE GALLEY, SMELL STRONGER THE FURTHER AFT YOU GO. NO SMOKE ONLY FUMES. PREFORMED GVI OF AFT GALLEY AND COFFEE MAKERS. NO DAMAGE OR ODORS NOTED. COMPLIED WITH WORK CARD 0550-6001 AND 0550-2003. DETERMINED SOURCE TO BE LEFT ENGINE. LEFT ENGINE BLED. FWD TO MEL REF LOG 8483804. COMPLIED WITH MSI PREVENTION CHECKLIST. A/C OK FOR SERVICE. (LP# 9110494; AIRCRAFT WAS GROUNDED)

---
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.