# SDR DALA2024091008918

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2024
- Submitted: September 10, 2024
- Operation: Air carrier
- Aircraft: [N356NW](https://openairdocs.org/aircraft/N356NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 818
- Aircraft time: 76,775 hours, 36,197 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Condition: No Test
- Location: Zone 200
- 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/DALA2024091008918

## Discrepancy

F/O FOUND OXY MASK TEST FAILING, YELLOW INDI NOT GOING OUT DURING TEST.  SWAPPED F/O AND PRIMARY OBS O2 MASKS - PLACED OBS SEAT ON MEL PER 25-11-06B. M PROCEDURES C/W OBS SEAT INOP. INSTALLED PLACARD. OK FOR CONT SVC. R/R FO OBS O2 MASK STOWAGE BOX PER A320 AMM 35-12. OPS TEST GOOD . MEL AND PLAC REMOVED. M PRO REVERSED.

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