# SDR DALA2021051702742

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2021
- Submitted: May 19, 2021
- Operation: Air carrier
- Aircraft: [N357NB](https://openairdocs.org/aircraft/N357NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1875
- Aircraft time: 50,385 hours, 25,708 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Mask
- Condition: No Test
- Location: Seat 21 Def
- 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/DALA2021051702742

## Discrepancy

SHIP 3157 - SEAT 21 DEF O2 MASK DID NOT DROP PER WORKCARD 2527. CORRECTIVE ACTION: REPACKED MASKS AS PER A319 AMM 35-21. TESTED AGAIN. OPS TEST PASS. (7606645)

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