# SDR DALA2025072305548

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2025
- Submitted: July 23, 2025
- Operation: Air carrier
- Aircraft: [N370NB](https://openairdocs.org/aircraft/N370NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 2087
- Aircraft time: 58,872 hours, 30,744 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Box
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025072305548

## Discrepancy

SHIP 3170,  ADDITIONAL OBSERVERS FIXED SEAT,  SEAT UNUSABLE SWAPPED CAPT O2 MASK WITH FIXED OBS SEAT MASK.   REPLACED BOX PER  AMM 35-12.

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