# SDR SCNA20250127030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2025
- Submitted: January 27, 2025
- Operation: Air carrier
- Aircraft: [N804SY](https://openairdocs.org/aircraft/N804SY), registered now
- Make and model: Boeing 737-8Q8
- Registry model: [Boeing 737-8Q8](https://openairdocs.org/model/boeing-737-8q8) (OpenAirDocs)
- Aircraft serial: 30689
- Aircraft time: 73,037 hours, 27,862 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Mask
- Condition: Malfunctioned
- Location: Zone 900
- Stage of operation: CR
- How discovered: O
- Nature of condition: O, G
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA20250127030

## Discrepancy

AFT LAV 2L MASK DIDN'T DEPLOY. EMERGENCY DECLARED.  PERFORMED OPS CHECK ON SCA WO# 92890, N/R-00007, PER  AMM 35-22-00-700-802. OPS CHECK GOOD.

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