# SDR DALA2020102703488

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 2020
- Submitted: October 27, 2020
- Operation: Air carrier
- Aircraft: [N337NB](https://openairdocs.org/aircraft/N337NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1685
- Aircraft time: 50,772 hours, 26,451 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Psu
- Condition: Malfunctioned
- Location: Oxygen Box
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2020102703488

## Discrepancy

PSU O2 PANEL AT SEATS 13ABC, 17ABC, 27ABC, 21DEF, AND 26DEF DID NOT OPEN CORR.  REMOVED MASKS FOR PSU/O2 PANELS AT SEATS 13ABC, 17ABC, 27ABC, 21DEF, AND 26DEF.  PERFORMED OPERATIONAL CHECK OF MANUAL MASK RELEASE, TEST OK.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.