# SDR GTIA2020021753518

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 15, 2020
- Submitted: February 17, 2020
- Operation: Air carrier
- Aircraft: [N663NK](https://openairdocs.org/aircraft/N663NK), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6994
- Aircraft time: 14,831 hours, 6,445 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Box
- Condition: Leaking
- Location: Crew
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2020021753518

## Discrepancy

CREW O2 PRESSURE EXCESSIVE DROP 20LB 10 MIN 1630-1510-REPLACED F/O O2 MASK STORAGE CONTAINER PER AMM 35-12-41. TEST OK NO LEAKS NOTED AT THIS TIME.

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