# SDR AALA202302238625

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2023
- Submitted: February 23, 2023
- Operation: Air carrier
- Aircraft: [N174US](https://openairdocs.org/aircraft/N174US), registered now
- Make and model: Airbus A320*
- Aircraft serial: 1492
- Aircraft time: 71,047 hours, 27,148 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Container
- Part number: 22C15L150630009
- Condition: Inoperative
- Location: Zone 200 - Fuse
- 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/AALA202302238625

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT OXYGEN MASK DOES NOT DEPLOY AT R2 DOOR ON OPERATIONAL CHECK OF MANUAL MASK RELEASE. MAINTENANCE REPLACED FLIGHT ATTENDANT O2 MASK CONTAINER ASSMBLY PER AMM 35-21-41. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.

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