# SDR DALA2026092105252

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2026
- Submitted: September 21, 2026
- Operation: Air carrier
- Aircraft: [N375NC](https://openairdocs.org/aircraft/N375NC), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 1789
- Aircraft time: 69,460 hours, 33,527 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Condition: No Test
- Location: Zone 200
- Stage of operation: TX
- How discovered: C
- Nature of condition: L
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026092105252

## Discrepancy

CAPTAIN`S O2 MASK FAILED PREFLIGHT TEST. FLOW BLINKER DOES NOT SHOW WHEN PRESS TO TEST.  REPACKED MASK REF A320 M/M 35-13. (LP: 9490280, AIRCRAFT WAS GROUNDED)

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