# SDR SWAA012350

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2001
- Submitted: August 24, 2001
- Operation: Air carrier
- Aircraft: N379SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 26586
- Aircraft time: 25,878 hours, 23,391 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Mask
- Part number: 6546835
- Condition: Loose
- Location: Cockpit
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA012350

## Discrepancy

( AIR TURNBACK )……………………..LEAK IN CREW OXYGEN SYSTEM.                                 FOUND O'RING LOOSE IN CAPT O2 MASK ASSY, REPOSITIONED O'RING PER MM

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