# SDR DHL96740004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N740DH
- Make and model: Boeing 727-2Q9
- Registry model: [Boeing 727-2Q9](https://openairdocs.org/model/boeing-727-2q9) (OpenAirDocs)
- Aircraft serial: 21930
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxy Regulator
- Part number: 10608872
- Condition: Leaking
- Location: Cockpit
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL96740004

## Discrepancy

AFTER TAKEOFF CHECKLIST, CREW OXYGEN WAS READING 100 LBS.  SWAPPED CAPTAINS AND SECOND OBSERVERS REGULATOR, REPLACED OXYGEN REGULATOR, NO LEAKS NOTED MM 35-10

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