# SDR DALA2026051903077

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2026
- Submitted: May 19, 2026
- Operation: Air carrier
- Aircraft: [N359NW](https://openairdocs.org/aircraft/N359NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 846
- Aircraft time: 80,873 hours, 38,277 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Module
- Part number: F224201AA112
- Condition: Activated
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026051903077

## Discrepancy

O2 MASKS DROPPED ROW 18 DEF. O2 DEPLOYED WHEN MOVING MASK.  PLACED O2 MODULE AT PAX SEAT 18 DEF ON MEL PER 35-21-01A. M PROCEDURE C/W AND SEATS BLOCKED. PLACARD INSTALLED. OK FOR CONTINUED SERVICE. R & R 02 BOTTLE IAW AMM 35-21. M PROCEDURES REVERSED. MEL AND PLACARD REMOVED. OK FOR SVC. (LP; 8382662). AIRCRAFT WAS GROUNDED

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