# SDR DALA2024091709115

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2024
- Submitted: September 17, 2024
- Operation: Air carrier
- Aircraft: [N104DU](https://openairdocs.org/aircraft/N104DU), registered now
- Make and model: Airbus BD-500-1A10
- Registry model: [Airbus BD-500-1A10](https://openairdocs.org/model/airbus-canada-ltd-ptnrsp-bd-500-1a10) (OpenAirDocs)
- Aircraft serial: 50023
- Aircraft time: 14,675 hours, 6,815 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: TO
- 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/DALA2024091709115

## Discrepancy

DIRTY SOCK SMELL - BEGAN ON TAKEOFF ROLL, LASTED ABOUT 5 MINUTES THEN DISSIPATED UNTIL FINAL APPROACH AND TAXI-IN. WHEN THE DIRTY SOCK ODOR WAS NOTICEABLE AGAIN. COMPLETED A220 WORK CARD 0550-2001 PER A220 NO GO ODI PREVENTION PROGRAM ATA 2172 - SMOKE/FUMES IN CABIN. RAN APU AND ENGINES, NO FINDINGS. REMOVED AND REPLACED BOTH RECIRC FILTERS PER A200 AMP 21-22. MCC NOTIFIED. BOTH FILTERS EXTREMELY DIRTY. (LP# 4371217, 4371220)

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