# SDR DALA2025072505602

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2025
- Submitted: July 25, 2025
- Operation: Air carrier
- Aircraft: [N361NB](https://openairdocs.org/aircraft/N361NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1976
- Aircraft time: 57,411 hours, 29,625 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Apu
- Condition: Odor
- Location: Zone 100
- Stage of operation: IN
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025072505602

## Discrepancy

SHIP 3161 DIRTY SOCK SMELL STARTED AFT CABIN THEN SMELT THROUGHOUT CABIN. CORRECTIVE ACTION: FOUND APU AS SOURCE OF CONTAMINATION. DISCONTINUED USE. RESIDUAL CONTAMINATION FOUND ON LT ACM. REPLACED SAME. (1101511).

---
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.