# SDR CA991103005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Dhav DHC8311
- Engine: Pwa PW123
- Propeller: Hamstd 14SF15
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: O2 Mask
- Part number: 90070003659
- Condition: Failed
- Location: Cockpit
- Part time: 9,680 hours
- Component: Scott
- Stage of operation: IN
- Nature of condition: L, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA991103005

## Discrepancy

(CAN) DURING PRE-FLIGHT TEST, THE CAPTAIN'S OXYGEN MASK INDICATED FLOW WARNING.  MASK REPLACED.

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