# SDR DL733040311

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2004
- Submitted: April 23, 2004
- Operation: Air carrier
- Aircraft: N309WA
- Make and model: Boeing 737347
- Aircraft serial: 23442
- Aircraft time: 49,491 hours, 33,809 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Psu
- Condition: Inoperative
- Location: 19def
- Stage of operation: TX
- 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/DL733040311

## Discrepancy

PAX SEAT 19DEF 02 MASKS DID NOT DEPLOY WHEN SWITCH IN COCKPIT PUSHED.  REPLACED PSU.

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