# SDR CALA2013082990821

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 27, 2013
- Submitted: August 30, 2013
- Operation: Air carrier
- Aircraft: [N494UA](https://openairdocs.org/aircraft/N494UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1840
- Aircraft time: 36,612 hours, 16,100 cycles
- Engine: Iae V2527A5
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MF20534
- Part serial: 29
- Condition: Leaking
- Location: Cockpit
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013082990821

## Discrepancy

CAPTAINS OXYGEN MASK FOUND LEAKING ON ARRIVAL INTO ORD FLIGHT 354-26, COULD HEAR AUDIBLE LEAK WITH OXYGEN ON.  REPLACED CAPTAINS OXYGEN MASK & OXYGEN BOX.  AFTER MASK & BOX REPLACED LT OXYGEN ON & NO PRESSURE DROP IN 3 HOURS..

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