# SDR WX0A2026081032918

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2026
- Submitted: August 10, 2026
- Operation: Air carrier
- Aircraft: [N330NV](https://openairdocs.org/aircraft/N330NV), registered now
- Make and model: Airbus A319-111
- Registry model: [Airbus A319-111](https://openairdocs.org/model/airbus-a319-111) (OpenAirDocs)
- Aircraft serial: 2786
- Aircraft time: 51,698 hours, 39,709 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Odor
- Location: Zone 100
- Stage of operation: DE
- 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/WX0A2026081032918

## Discrepancy

(AIRCRAFT NOT GROUNDED) DIRTY SOCKS/BURNING CHEMICAL SMELL DURING DECENT AT APPROX 20000 FEET. ELIM OF ODOR CHECKLIST SHOWED. IMPROVEMENT WITH PACK 1 OFF AND PACK 2 ON. / PERFORMED TC 21-000-002, REMOVED AND REPLACED THE APU FCU AS INSTRUCTED. PERFORMED ALL REQUIRED LEAK AND OPS CHECKS, OPS CHECK OK AT THIS TIME, NO LEAKS NOTED AT THIS TIME. NO FURTHER DEFECT NOTED WITH THIS LRU. ALL WORK PERFORM (IRW) AIRBUS A320 AMM 49-32-11-000-003-A & 49-32-11-400-003-A.

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