# SDR DALA2025033002340

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2025
- Submitted: March 31, 2025
- Operation: Air carrier
- Aircraft: [N347NB](https://openairdocs.org/aircraft/N347NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1800
- Aircraft time: 60,872 hours, 31,079 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Mask
- Condition: Dislodged
- 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/DALA2025033002340

## Discrepancy

SHIP 3147 DISC: 16 DEF MASKS FELL. C/A: FWD TO MEL 35-21-01A. "M" PROCEDURES C/W. MCC NOTIFIED. REPLACED 02 MASKS A319 AMM 35-21. MEL/PLAC REMOVED "M" PROC REVERSED. (LP: 6409540)

---
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.