# SDR DALA2020122404253

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2020
- Submitted: December 24, 2020
- Operation: Air carrier
- Aircraft: N309US
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 118
- Aircraft time: 88,995 hours, 40,768 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Box
- Condition: No Test
- Location: Seat 28 Abc
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2020122404253

## Discrepancy

DURING TEST PSU OXY PANEL 28ABC WOULD NOT OPEN.  CORRECTIVE ACTION: REPACKED PSU.  OPERATIONS CHECK GOOD.

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