# SDR DALA2026040302147

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2026
- Submitted: April 3, 2026
- Operation: Air carrier
- Aircraft: [N335NB](https://openairdocs.org/aircraft/N335NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1662
- Aircraft time: 61,247 hours, 31,947 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Ecs
- Condition: Contaminated
- Location: Zone 100
- Stage of operation: TX
- 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/DALA2026040302147

## Discrepancy

STRONG DIRTY SOCK ODOR COMING FROM FLIGHT DECK. NOTICED THE ODOR IMMEDIATELY UPON BOARDING. APU & PACKS ON FOR MEL. SUSPECT POSSIBLE APU BLEED CONTAMINATION.  PERFORMED LEVEL A DECONTAMINATION OF ECS PER WORKCARD 2100-2007. REF MD LOG 1521040 FOR COMPLETION OF NO GO ODI PREVENTION. REF LOG 8212698 FOR COMPLETION OF EXTRACT FAN MEL. R/R BOTH RECIRC FILTERS PER AMM 21-21. OPS GOOD. (LP: 8044913) AIRCRAFT WAS GROUNDED

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