# SDR DALA2026091405114

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2026
- Submitted: September 14, 2026
- Operation: Air carrier
- Aircraft: [N351NW](https://openairdocs.org/aircraft/N351NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 766
- Aircraft time: 82,418 hours, 39,015 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MF100511
- Part serial: 82387
- Condition: Inoperative
- Location: Zone 200
- Part time: 38,616 hours, 19,344 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026091405114

## Discrepancy

F/O 02 MASK MIC INOP.  R & R F/O 02 MASK IAW AMM 35-12 OPS NORMAL. (LP: 9494800, AIRCRAFT WAS GROUNDED)

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