# SDR DALA2026081104623

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2026
- Submitted: August 11, 2026
- Operation: Air carrier
- Aircraft: [N315NB](https://openairdocs.org/aircraft/N315NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1230
- Aircraft time: 69,570 hours, 36,173 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Ptt Button
- Condition: Broken
- Location: Oxygen Mask
- Component: Oxygen Mask
- Component part number: MF100511
- 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/DALA2026081104623

## Discrepancy

SHIP 3115 DISC: DURING PREFLIGHT FOUND CAPT O2 MASK EMERG PR SELECTOR PTT BUTTON MISSING.  SWAPPED ADDITIONAL OBS SEAT MASK WITH CAPTIANS MASK REF A319 AMM 35-12. PLACED OBS SEAT ON MEL 25-11-07 PLACARD INSTALLED M PROCEDURES COMPLIED WITH AC OK FOR SERVICE. R & R CAPTAINS 02 MASK IAW AMM 35-12. OPS NORM. THIS CLEARS MEL 25-11-07. PLACRDS REMOVED AND M PROCEDURES REVERSED. RFID COMPLETE. (LP: 9094022, AIRCRAFT WAS GROUNDED)

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