# SDR GTIA2017021301784

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2017
- Submitted: February 17, 2017
- Operation: Air carrier
- Aircraft: [N668NK](https://openairdocs.org/aircraft/N668NK), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft time: 2,750 hours, 1,204 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Fastener
- Condition: Missing
- Location: Oxygen Mask
- Component: Oxygen Mask
- Component part number: MF20534
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2017021301784

## Discrepancy

O2 MASK FO SIDE SMOKE GOGGLES FASTENER MISSING, UNABLE TO SEAL. REMOVED AND REPLACED FULL FACE/QUICK DONNING O2 MASK ON FO SIDE IAW AMM 35-12-41. OPS CHECK GOOD.

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