# SDR UPS04M43505

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 18, 2004
- Submitted: November 19, 2004
- Operation: Air carrier
- Aircraft: [N252UP](https://openairdocs.org/aircraft/N252UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Bottle
- Part number: 801307
- Part serial: 443861
- Condition: Leaking
- Location: Crew System
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS04M43505

## Discrepancy

NR 2 AND NR 4 O2 BOTTLES EMPTY.  REMOVED AND REPLACED BOTTLES AND REPAIRED LEAK IN NR 4 SYSTEM.  LEAK CHECK OK.

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