# SDR AALA202204161748

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2022
- Submitted: April 16, 2022
- Operation: Air carrier
- Aircraft: [N580UW](https://openairdocs.org/aircraft/N580UW), registered now
- Make and model: Airbus A300*
- Aircraft serial: 6133
- Aircraft time: 25,064 hours, 9,879 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Switch
- Condition: Defective
- 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/AALA202204161748

## Discrepancy

AIRCRAFT WAS GROUNDED: UPON OPERATIONAL CHECK OF MANUAL MASK RELEASE SEAT 11ABC DID NOT DEPLOY. REPLACED OXYGEN BOX RELEASE SWITCH AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER CMM 35-21-17.

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