# SDR 2026FA0000567

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2026
- Submitted: July 7, 2026
- Operation: General aviation
- Aircraft: [N325GH](https://openairdocs.org/aircraft/N325GH), registered now
- Make and model: Cessna 525A
- Registry model: [Cessna 525A](https://openairdocs.org/model/cessna-525a) (OpenAirDocs)
- Aircraft serial: 525A0087
- Aircraft time: 5,294 hours, 4,182 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MC1016101
- Part serial: 120875
- Condition: Faulted
- Location: Zone 200
- Part time: 2 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2026FA0000567

## Discrepancy

THE CREW REPORTS THE OXYGEN MASC CONTINUOUSLY FLOW OF OXYGEN AT 100 % FLOW, ATTEMPTEN TO STOP FLOW WITHOUT SUCCESS MASC WAS DISCONNECTED O2 FLOW STOPPED.MAINTENANCE REPLACED THE MASK WITH OVERHUALED UNIT

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