# SDR WX0A2025082732551

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2025
- Submitted: August 27, 2025
- Operation: Air carrier
- Aircraft: [N271NV](https://openairdocs.org/aircraft/N271NV), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 2932
- Aircraft time: 39,854 hours, 27,212 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- 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/WX0A2025082732551

## Discrepancy

(AIRCRAFT NOT GROUNDED) DIRTY SOCK SMELL IN CABIN AND FLIGHT DECK ON DESCENT / PERFORMED AMM 21-00-00-615-803-B REMOVAL OF THE CONTAMINATION OF THE ECS, NO FAULTS NOTED AND NO SMELL DETECTED. THIS CLEARS MEL 21-52-01-G, CAT C, MDDR#218679 'M' PROCEDURE REVERSED, INOP PLACARD REMOVED.  C/W OIL TYPE SMELL-PHASE 3 IAW ALLEGIANT AIR TC 21-000-003. NO SMELL REPRODUCED AT THIS TIME. DAMAGE FOUND WHILE PERFOMING APU BOROSCOPE INSP WO#529958 TASK CARD A32X-21-000-002. APU REPLACED AND PERFORMED TC 21-000-003.

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