# SDR DALA2023111509421

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2023
- Submitted: November 15, 2023
- Operation: Air carrier
- Aircraft: [N342NW](https://openairdocs.org/aircraft/N342NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 381
- Aircraft time: 90,210 hours, 40,990 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- 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/DALA2023111509421

## Discrepancy

SHI[P 3242 DISC: O2 MASKS DEPLOYED AT ROW 16ABC C/A: DEFERRED O2 MAKS AT ROW 16ABC PER MEL 35-21-01A. M PROCEDURES C/W.REMOVED OXYGEN PANEL UNIT ON ROW 16 A/B/C PER A320 AMM 25-25. SWAPED 02 EMER. GEN ON TO NEW O2 PANEL PER A320 AMM 35-21. INSTALLED OXYGEN PANEL UNIT PER A320 AMM 25-25 UP TO AND INCLUDING STEP. 4A(8) (L.E. 959422). COMPLETED REMAINING STEPS PER A320 AMM 25-25. OPS CHK GOOD. MEL AND PLACARD REMOVED (LP 4376694)

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