# SDR DALA2026061703628

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2026
- Submitted: June 17, 2026
- Operation: Air carrier
- Aircraft: [N394DX](https://openairdocs.org/aircraft/N394DX), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 9125
- Aircraft time: 21,535 hours, 9,270 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Condition: Faulted
- Location: Zone 100
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026061703628

## Discrepancy

ATB - DUE TO VENT SKIN VALVE FAULT AND VENT BLOWER FAULT.  REPLACED SKIN AIR OUTLET VALVE (22HQ) AND INLET BYPASS VALVE 16HQ. (LP 8096796 - AIRCRAFT WAS GROUNDED)

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