# SDR DALA2026060203357

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2026
- Submitted: June 2, 2026
- Operation: Air carrier
- Aircraft: [N363NW](https://openairdocs.org/aircraft/N363NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 923
- Aircraft time: 80,818 hours, 38,464 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Mask
- Part number: 22G150150460400
- Condition: Unwanted Deploy
- Location: Zone 900
- Stage of operation: CR
- 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/DALA2026060203357

## Discrepancy

AFT RIGHT LAV O2 MASK DEPLOYED AT CRUISE PAX IN LAVATORY.  FWD TO MCO AND PLACARD PER MEL 35-21-02 AFT RIGHT LAVATORY OXY INOP, (M) PROCEDURES C/W. MCO AND PLACARD INSTALLED. R/R AFT RIGHT LAV EMERGENCY OXY CONTAINER PER AMM 35-21. OPTS CHECK GOOD. OK FOR SERVICE. (LP: 8881196, AIRCRAFT WAS GROUNDED)

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