# SDR DALA2026090905048

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2026
- Submitted: September 9, 2026
- Operation: Air carrier
- Aircraft: [N953AT](https://openairdocs.org/aircraft/N953AT), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55015
- Aircraft time: 66,274 hours, 48,618 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- 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/DALA2026090905048

## Discrepancy

FO'S OXYGEN MASK HARNESS DOES NOT INFLATE,   R & R HARNESS PER AMM 35-12. (9096980) (AIRCRAFT GROUNDED).

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