# SDR MALA040347

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2004
- Submitted: April 27, 2004
- Operation: Air carrier
- Aircraft: N522XJ
- Make and model: Bac AVRO146RJ85A
- Aircraft serial: E2347
- Aircraft time: 10,394 hours, 10,308 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Switch
- Condition: Failed
- Location: Pax O2
- Stage of operation: TX
- How discovered: V
- Nature of condition: S
- Precautionary procedure: G
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA040347

## Discrepancy

ALL PASSENGER 02 MASKS DEPLOYED WHILE PARKED AT THE GATE.  MAINTENANCE REPLACED ANEROID SWITCH.

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