# SDR GTIA2016080901561

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2016
- Submitted: August 12, 2016
- Operation: Air carrier
- Aircraft: N522NK
- Make and model: Airbus A319-132
- Registry model: [Airbus A319-132](https://openairdocs.org/model/airbus-a319-132) (OpenAirDocs)
- Aircraft serial: 2893
- Aircraft time: 38,085 hours, 17,833 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MF20534
- Part serial: SE08165
- Condition: Defective
- Location: Cockpit
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2016080901561

## Discrepancy

F/O OXYGEN MASK DOES NOT TEST PROPERLY, HISSING SOUND HEARD INTERMITTENTLY DURING PRE-FLIGHT DUTIES, SUSPECT A POSSIBLE LEAK.  R & R F/O OXYGEN MASK BOX IAW AMM 35-12-41.  OPS, LEAK CHECK GOOD.

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