# SDR DALA2026050802913

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2026
- Submitted: May 8, 2026
- Operation: Air carrier
- Aircraft: [N328NB](https://openairdocs.org/aircraft/N328NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1520
- Aircraft time: 52,073 hours, 27,171 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MF100511
- Part serial: 93917
- Condition: Leaking
- Location: Zone 200
- Part time: 34,836 hours, 18,596 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026050802913

## Discrepancy

YELLOW BLINKER ON CAPTAINS OXYGEN MASK DOES NOT GO BACK WHEN TEST/RESET BUTTON IS PUSHED.  FOUND CAPTAINS O2 MASK LEAKING FROM HOSE FITTING ON MASK. REMOVED AND REPLACED CAPTS O2 MASK IAW A319 AMM 35-12-41. LEAK CHECK OK. RFID INDUCTION C/W. (LP: 8027166). AIRCRAFT WAS GROUNDED

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