# SDR GTIA2015020701498

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2015
- Submitted: February 9, 2015
- Operation: Air carrier
- Aircraft: N588NK
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 2590
- Aircraft time: 32,530 hours, 13,896 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Box
- Condition: Inoperative
- Location: Row 14
- Stage of operation: LD
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2015020701498

## Discrepancy

ON TOUCHDOWN,  OXYGEN MASKS AT ROW 14 LEFT DEPLOYED.  PERFORMED OPS CHECKL OF MANUAL MASK RELEASE AND IT FAILED.  REPLACED THE OXYGEN BOX AND OPS CHECK FAILED AGAIN.   R & R SR 14L OXYGEN CONTAINER BOX ASSY IAW AMM 35-21-41, PB401.  OPS CHECKED OK IAW AMM 35-23-00-710-001A.

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