# SDR 2025FA0000431

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 2025
- Submitted: June 27, 2025
- Operation: General aviation
- Aircraft: [N67MT](https://openairdocs.org/aircraft/N67MT), registered now
- Make and model: Amd FALCON50MYST
- Aircraft serial: 254
- Aircraft time: 10,912 hours, 6,018 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Quick Disconnect
- Part number: DPB150
- Condition: Worn
- Location: Zone 100
- Part time: 10,912 hours, 6,018 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2025FA0000431

## Discrepancy

OXYGEN BOTTLE BLEEDING DOWN WHEN CREW MASKS ARE PLUGGED IN. SUSPECTED MASKS, BUT DETERMINED QUICK DISCONNECT FITTINGS TANGS INSIDE STORAGE BOX WORN ENOUGH TO PREVENT A TIGHT CONNECTION. REPLACED FITTINGS WITH NEW DPB-150 TO RESOLVE ISSUE.

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