# SDR DL738040509

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 2004
- Submitted: June 8, 2004
- Operation: Air carrier
- Aircraft: [N3764D](https://openairdocs.org/aircraft/N3764D), registered now
- Make and model: Boeing 737832
- Aircraft serial: 30818
- Aircraft time: 7,385 hours, 3,420 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: 174660N3
- Part serial: 07728
- Condition: Leaking
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL738040509

## Discrepancy

ACFT OFF SCHEDULED ORD DUE TO C/P 02 MASK WOULD NOT SHUT OFF AND WAS DEPLETING 02 BOTTLE.  REPLACED MASK.

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