# SDR UPS03839998

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2003
- Submitted: January 3, 2003
- Operation: Air carrier
- Aircraft: N806UP
- Make and model: Doug DC-8-73F
- Registry model: [Doug DC-8-73F](https://openairdocs.org/model/douglas-dc-8-73f) (OpenAirDocs)
- Aircraft serial: 46006
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Regulator
- Condition: Bypassing
- Location: Oxygen Sys
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS03839998

## Discrepancy

2ND OBSERVER O2 REGULATOR BY-PASSING AIR IN FLIGHT, LOST O2 EMERGENCY SYSTEM.  FOUND FIRST OBSERVERS SUPPLY LINE TO REGULATOR LEAKING AT FITTING, DAMAGED.  THIS FITTING WAS DAMAGED AT TEE FITTING BEHIND 2ND OBSERVERS REGULATOR.  REMOVED AND REPLACED SUPPLY HOSE, OPS CHECK GOOD.  LEAK CHECK GOOD.

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