# SDR 2007UALA03898

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2007
- Submitted: April 24, 2008
- Operation: Air carrier
- Aircraft: [N306UA](https://openairdocs.org/aircraft/N306UA), registered now
- Make and model: Boeing 737322
- Aircraft serial: 23667
- Aircraft time: 59,351 hours, 34,798 cycles
- Engine: Ge CFM56*
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Bottle
- Part number: 60B5008791
- Condition: Leaking
- Location: Crew 02
- 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/2007UALA03898

## Discrepancy

O2 SYSTEM LOSING 100 PSI PER HOUR.  SUPPLEMENTAL, FOUND LEAK AT FITTING CREW 02 BOTTLE REF MM 12-15-21, ALSO HOSE RECEPTACLE AT 1ST OBS SEAT TO BE FAULTY AND LEAKING.  REPLACED 02 BOTTLE ALSO RECEPTACLE AT 1ST OBS.  LEAK CHECKED GOOD WITH NO PRESSURE DROP IN 3 HOURS.  AC OK FOR SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.