# SDR CA991004013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Dhav DHC8301
- Engine: Pwa PW123
- Propeller: Hamstd 14SF15
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Coupling
- Part number: 52590003206
- Condition: Leaking
- Location: Oxygen System
- Stage of operation: CR
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA991004013

## Discrepancy

(CAN) FLIGHT CREW REPORTED OXYGEN SYSTEM LOSING PRESSURE.  MAINTENANCE TRACED PROBLEM TO A LEAKING OXYGEN MASK HOSE COUPLING.

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