# SDR DALA2019010400038

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2019
- Submitted: January 4, 2019
- Operation: Air carrier
- Aircraft: [N807DN](https://openairdocs.org/aircraft/N807DN), registered now
- Make and model: Boeing 737932ER
- Aircraft serial: 31921
- Aircraft time: 18,313 hours, 6,673 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019010400038

## Discrepancy

SHIP 3807 CAPTAIN'S OXYGEN PREFLIGHT TEST, YELLOW FLOW INDICATOR REMAINS IN VIEW DURING TEST. CORRECTIVE ACTION: R&R CAPTAIN'S O2 MASK AS PER AMM 35-12. (5130414).

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